Availability
On Sale
FiTech Ultimate LS Loaded intake manifold kits are just like the systems, but without the ECU and hand-held controller. FiTech Ultimate LS Loaded intake manifold kits will have: * Low-profile 92mm or 102mm (750 hp kits only) inlet aluminum fabricated intake with 1,500 to 6,500 rpm powerband, 3mm construction, TIG-welded, black anodized with embossed FiTech logo * CNC-machined with O-ring gaskets and hardware included * High-flow cable operated 92mm or 102mm (750 hp kits only) throttle body * Parabolic inlet machining for smooth throttle transitions, same as OE * Throttle body features progressive linkage pulley with double-return spring and adjustable stop * Billet fuel rails with AN fittings and fuel crossover * 36 or 55 (750 hp kits only) lbs./hr. flow-matched injectors
( 6 )
$965.00
$820.25
On Sale
FiTech intake manifolds provide you with great manifold and fuel rail package to start your project. The low-profile intake manifold is fabricated from T-6061 aluminum with 102mm inlet and a 1,500 to 6,500 rpm powerband. The billet fuel rails include AN fittings and fuel crossover. FiTech includes hardware, as well.
( 5 )
$483.00
$410.55
—
$434.70
On Sale
FiTech Nitro-Port Series cast intake manifolds are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. These manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 1997 and up.
Not Yet Reviewed
$715.00
$572.00
On Sale
FiTech Nitro-Port cast LS3 750 hp EFI loaded intake manifold kits are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. The manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 2007 and up.
Not Yet Reviewed
$1,200.00
$960.00
On Sale
The FiTech Ultimate Rebel LS 750 hp EFI loaded intake manifold kits are a popular choice for enthusiasts looking to upgrade their LS engine's performance and aesthetics. These kits offer several benefits for LS engine conversions, including increased horsepower potential, improved airflow, and a cleaner engine bay appearance. The kits are designed for ease of installation and optimal performance, supporting up to 750 horsepower and offering features like E85 compatibility and boost/nitrous readiness, which makes them suitable for high-performance applications. Key benefits and advantages: * Modern engine management utilizes speed density metering for optimal performance * Billet fuel rails and 55 lb. injectors ensure reliable and consistent fuel flow * Boost/Nitrous compatibility—the system can handle boosted and nitrous applications, making it suitable for high-performance builds * E85 compatibility—supports E85 fuel, offering flexibility for different fuel preferences * Visual appeal—the low-profile intake manifold and redesigned fuel rail bracket enhance the overall appearance of the engine bay Kit components: * LS1/LS2/LS6 FiTech Rebel LS Fabricated Short Manifold (manifold, gaskets and hardware) * Ultimate LS 102mm throttle body with sensors * 55 lb. injectors * 3 Bar MAP sensor allows for boost and nitrous applications, expanding the performance potential of the engine * IAT sensor * Throttle cable bracket with round hole for new style LS intake * Throttle cable bracket with stock GM cable notch for new style LS intake with cable barrel clamp
Not Yet Reviewed
$995.00
$845.75
On Sale
The FiTech Ultimate Rebel LS 1000 hp EFI loaded intake manifold kits offer significant performance and convenience benefits for LS engine builds, supporting up to 1000 horsepower. That makes them suitable for both naturally aspirated and boosted applications. The kits are designed to streamline the conversion to electronic fuel injection (EFI), providing a complete, high-performance solution with features like optimized airflow, and precise fuel delivery. Plus, these conversion kits are easy to install. Key benefits of the FiTech Ultimate Rebel LS EFI System: * High-Performance—supports up to 1000 horsepower, making it suitable for both naturally aspirated and boosted applications * Includes all necessary components for a streamlined installation, such as the intake manifold, throttle body, injectors, wiring harness, and sensors * Optimized power delivery—features a long runner intake manifold designed to enhance power in the 1500-6500 rpm range * Increased airflow—the 102mm throttle body ensures ample airflow for improved performance * Precise engine management, sequential fuel and spark control, along with dual wideband O2 sensors, provide accurate monitoring and optimal performance * Boost/Nitrous compatibility—the 3 BAR MAP sensor supports boosted applications up to 30 psi * Enhanced appearance—the redesigned fuel rail bracket and overall cleaner profile contribute to a more refined engine bay appearance * User-Friendly installation—kit is designed for ease of installation, minimizing downtime and complexity * Improved fuel efficiency—optimizes fuel delivery for better fuel economy * Better throttle response—provides a more responsive and engaging driving experience Specific features: * Thicker gauge manifold reduces injection noise for a quieter operation * Redesigned fuel rail bracket enhances the visual appeal of the engine bay * Handheld monitor allows for real-time adjustments and tuning * Magnetic handheld mount provides convenient storage and access to the monitor * Oxygen sensor bung kit for proper sensor installation * Throttle cable brackets ensure proper throttle linkage setup
Not Yet Reviewed
$995.00
$845.75
On Sale
FiTech Nitro-Port cast LS1 500 hp EFI loaded intake manifold kits are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. The manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 1997 and up.
Not Yet Reviewed
$1,200.00
$960.00
On Sale
FiTech Nitro-Port cast LS1 750 hp EFI loaded intake manifold kits are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. The manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 1997 and up.
Not Yet Reviewed
$1,200.00
$960.00
On Sale
FiTech Nitro-Port cast LS1 1000 hp EFI loaded intake manifold kits are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. The manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 1997 and up.
Not Yet Reviewed
$1,200.00
$960.00
On Sale
FiTech Nitro-Port cast LS3 500 hp EFI loaded intake manifold kits are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. The manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 2007 and up.
Not Yet Reviewed
$1,200.00
$960.00
On Sale
FiTech Nitro-Port cast LS3 1000 hp EFI loaded intake manifold kits are engineered for serious street and strip enthusiasts, providing power, precision, and versatility to LS1 and LS3 platforms. Designed with performance and adaptability in mind, Nitro-Port manifolds feature a low-profile, modular design ideal for tight engine bays while supplying aggressive performance gains. Short runners support high-RPM power, and -8 AN fuel rails with -8 ORB fittings ensure consistent high-flow fuel delivery under demanding conditions. For those pushing the limits, integrated nitrous/water injection bungs offer easy expandability, while rear-mounted vacuum and pressure ports keep plumbing clean and accessible. The manifolds also include a rear-mounted MAP sensor location for simplified installation. The Nitro-Port accepts 92mm, 102mm, and drive-by-wire throttle bodies with a straight throttle body mounting flange, allowing builders more flexibility across multiple LS configurations. Whether you're building a high-revving track machine or a show-stopping street car, FiTech Nitro-Port cast manifolds deliver the performance, reliability, and engineering excellence customers expect from FiTech Fuel Injection. * Models are available for a variety of Chevy engines from 2007 and up.
Not Yet Reviewed
$1,200.00
$960.00
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, the Ultimate LS EFI intake is paired with fuel delivery options, creating FiTech master kits. FiTech Ultimate LS 750 hp EFI short LS3 port intake fuel injection master kits are offered with an inline pump kit, in-tank pump modules, or a Force Fuel system. The kits are enhanced further with a Go Fuel regulator and/or Go-Spark LS3 coils. Choose the kit with the options you prefer for your swap. FiTech Ultimate LS 750 hp intake manifolds feature: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 55 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions Fuel delivery options: * Inline pump kit is supplied with FiTech's heavy-duty 255 lph external fuel pump that is suitable to support engines producing up to 600 (NA) hp. The kit includes 40 ft. of high-pressure fuel hose, two fuel filters including a serviceable 10-micron filter, fittings, mounts, and clamps. * In-tank pump modules: -- 340 or 440lph universal pump module for tanks with a depth of 6 to 15 in., billet top assembly with strategically placed supply, return, and vent ports to help route fuel lines easily. Gaskets terminals, and clamps are included. -- 340 lph regulated fuel pump module, single line system with h -6 AN pressure port and a 4-bar (58 psi) regulator that will fit most EFI-ready tanks. -- 340 lph return-less pump module that will support up to 800 hp and supplied with an internal regulator to maintain 58 psi. * Force Fuel system mounts under the hood and is fed with the original mechanical or electric fuel pump then supplies the EFI system with the required high pressure using an internal 340 lph pump. The reservoir holds a 1/2 gallon of fuel to prevent fuel starvation and a serviceable 10-micron fuel filter is included. Go Fuel Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum, features -6 ORB ports along with a vacuum/boost port, and includes gauge. The Go-Spark LS3-style coils bolt in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade. They are available with or without a built-in LED that flashes when the coils are firing.
Not Yet Reviewed
$2,293.99
—
$3,033.99
$1,835.19
—
$2,427.19
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, the Ultimate LS EFI intake is paired with fuel delivery options, creating FiTech master kits. FiTech Ultimate LS 500 hp EFI short LS7 port intake fuel injection master kits are offered with an inline pump kit, in-tank pump modules, or a Force Fuel system. The kits are enhanced further with a Go Fuel regulator and/or Go-Spark LS3 coils. Choose the kit with the options you prefer for your swap. FiTech Ultimate LS 500 hp intake manifolds feature: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 92mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 36 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions Fuel delivery options: * Inline pump kit is supplied with FiTech's heavy-duty 255 lph external fuel pump that is suitable to support engines producing up to 600 (NA) hp. The kit includes 40 ft. of high-pressure fuel hose, two fuel filters including a serviceable 10-micron filter, fittings, mounts, and clamps. * In-tank pump modules: -- 255, 340, or 440lph universal pump module for tanks with a depth of 6 to 15 in., billet top assembly with strategically placed supply, return, and vent ports to help route fuel lines easily. Gaskets terminals, and clamps are included. -- 340 lph regulated fuel pump module, single line system with h -6 AN pressure port and a 4-bar (58 psi) regulator that will fit most EFI-ready tanks. -- 340 lph return-less pump module that will support up to 800 hp and supplied with an internal regulator to maintain 58 psi. * Force Fuel system mounts under the hood and is fed with the original mechanical or electric fuel pump then supplies the EFI system with the required high pressure using an internal 340 lph pump. The reservoir holds a 1/2 gallon of fuel to prevent fuel starvation and a serviceable 10-micron fuel filter is included. Go Fuel Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum, features -6 ORB ports along with a vacuum/boost port, and includes gauge. The Go-Spark LS3-style coils bolt in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade. They are available with or without a built-in LED that flashes when the coils are firing.
Not Yet Reviewed
$2,093.99
—
$2,745.99
$1,675.19
—
$2,196.79
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, the Ultimate LS EFI intake is paired with fuel delivery options, creating FiTech master kits. FiTech Ultimate LS 750 hp EFI short LS7 port intake fuel injection master kits are offered with an inline pump kit, in-tank pump modules, or a Force Fuel system. The kits are enhanced further with a Go Fuel regulator and/or Go-Spark LS3 coils. Choose the kit with the options you prefer for your swap. FiTech Ultimate LS 750 hp intake manifolds feature: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 55 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions Fuel delivery options: * Inline pump kit is supplied with FiTech's heavy-duty 255 lph external fuel pump that is suitable to support engines producing up to 600 (NA) hp. The kit includes 40 ft. of high-pressure fuel hose, two fuel filters including a serviceable 10-micron filter, fittings, mounts, and clamps. * In-tank pump modules: -- 340 or 440lph universal pump module for tanks with a depth of 6 to 15 in., billet top assembly with strategically placed supply, return, and vent ports to help route fuel lines easily. Gaskets terminals, and clamps are included. -- 340 lph regulated fuel pump module, single line system with h -6 AN pressure port and a 4-bar (58 psi) regulator that will fit most EFI-ready tanks. -- 340 lph return-less pump module that will support up to 800 hp and supplied with an internal regulator to maintain 58 psi. * Force Fuel system mounts under the hood and is fed with the original mechanical or electric fuel pump then supplies the EFI system with the required high pressure using an internal 340 lph pump. The reservoir holds a 1/2 gallon of fuel to prevent fuel starvation and a serviceable 10-micron fuel filter is included. Go Fuel Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum, features -6 ORB ports along with a vacuum/boost port, and includes gauge. The Go-Spark LS3-style coils bolt in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade. They are available with or without a built-in LED that flashes when the coils are firing.
Not Yet Reviewed
$2,293.99
—
$2,745.99
$1,835.19
—
$2,196.79
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, the Ultimate LS EFI intake is paired with fuel delivery options, creating FiTech master kits. FiTech Ultimate LS 750 hp EFI long runner cathedral intake fuel injection master kits are offered with an inline pump kit, in-tank pump modules, or a Force Fuel system. The kits are enhanced further with a Go Fuel regulator and/or Go-Spark LS3 coils. Choose the kit with the options you prefer for your swap. FiTech Ultimate LS 750 hp intake manifolds feature: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 55 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions Fuel delivery options: * Inline pump kit is supplied with FiTech's heavy-duty 255 lph external fuel pump that is suitable to support engines producing up to 600 (NA) hp. The kit includes 40 ft. of high-pressure fuel hose, two fuel filters including a serviceable 10-micron filter, fittings, mounts, and clamps. * In-tank pump modules: -- 340 or 440lph universal pump module for tanks with a depth of 6 to 15 in., billet top assembly with strategically placed supply, return, and vent ports to help route fuel lines easily. Gaskets terminals, and clamps are included. -- 340 lph regulated fuel pump module, single line system with h -6 AN pressure port and a 4-bar (58 psi) regulator that will fit most EFI-ready tanks. -- 340 lph return-less pump module that will support up to 800 hp and supplied with an internal regulator to maintain 58 psi. * Force Fuel system mounts under the hood and is fed with the original mechanical or electric fuel pump then supplies the EFI system with the required high pressure using an internal 340 lph pump. The reservoir holds a 1/2 gallon of fuel to prevent fuel starvation and a serviceable 10-micron fuel filter is included. Go Fuel Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum, features -6 ORB ports along with a vacuum/boost port, and includes gauge. The Go-Spark LS3-style coils bolt in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade. They are available with or without a built-in LED that flashes when the coils are firing.
Not Yet Reviewed
$2,293.99
—
$3,033.99
$1,835.19
—
$2,427.19
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, the Ultimate LS EFI intake is paired with fuel delivery options, creating FiTech master kits. FiTech Ultimate LS 500 hp EFI short LS3 port intake fuel injection master kits are offered with an inline pump kit, in-tank pump modules, or a Force Fuel system. The kits are enhanced further with a Go Fuel regulator and/or Go-Spark LS3 coils. Choose the kit with the options you prefer for your swap. FiTech Ultimate LS 500 hp intake manifolds feature: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 92mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 36 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions Fuel delivery options: * Inline pump kit is supplied with FiTech's heavy-duty 255 lph external fuel pump that is suitable to support engines producing up to 600 (NA) hp. The kit includes 40 ft. of high-pressure fuel hose, two fuel filters including a serviceable 10-micron filter, fittings, mounts, and clamps. * In-tank pump modules: -- 255, 340, or 440lph universal pump module for tanks with a depth of 6 to 15 in., billet top assembly with strategically placed supply, return, and vent ports to help route fuel lines easily. Gaskets terminals, and clamps are included. -- 340 lph regulated fuel pump module, single line system with h -6 AN pressure port and a 4-bar (58 psi) regulator that will fit most EFI-ready tanks. -- 340 lph return-less pump module that will support up to 800 hp and supplied with an internal regulator to maintain 58 psi. * Force Fuel system mounts under the hood and is fed with the original mechanical or electric fuel pump then supplies the EFI system with the required high pressure using an internal 340 lph pump. The reservoir holds a 1/2 gallon of fuel to prevent fuel starvation and a serviceable 10-micron fuel filter is included. Go Fuel Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum, features -6 ORB ports along with a vacuum/boost port, and includes gauge. The Go-Spark LS3-style coils bolt in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade. They are available with or without a built-in LED that flashes when the coils are firing.
Not Yet Reviewed
$2,093.99
—
$2,745.99
$1,675.19
—
$2,196.79
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, the Ultimate LS EFI intake is paired with fuel delivery options, creating FiTech master kits. FiTech Ultimate LS 500 hp EFI long runner cathedral intake fuel injection master kits are offered with an inline pump kit, in-tank pump modules, or a Force Fuel system. The kits are enhanced further with a Go Fuel regulator and/or Go-Spark LS3 coils. Choose the kit with the options you prefer for your swap. FiTech Ultimate LS 500 hp intake manifolds feature: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 92mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 36 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions Fuel delivery options: * Inline pump kit is supplied with FiTech's heavy-duty 255 lph external fuel pump that is suitable to support engines producing up to 600 (NA) hp. The kit includes 40 ft. of high-pressure fuel hose, two fuel filters including a serviceable 10-micron filter, fittings, mounts, and clamps. * In-tank pump modules: -- 255, 340, or 440lph universal pump module for tanks with a depth of 6 to 15 in., billet top assembly with strategically placed supply, return, and vent ports to help route fuel lines easily. Gaskets terminals, and clamps are included. -- 340 lph regulated fuel pump module, single line system with h -6 AN pressure port and a 4-bar (58 psi) regulator that will fit most EFI-ready tanks. -- 340 lph return-less pump module that will support up to 800 hp and supplied with an internal regulator to maintain 58 psi. * Force Fuel system mounts under the hood and is fed with the original mechanical or electric fuel pump then supplies the EFI system with the required high pressure using an internal 340 lph pump. The reservoir holds a 1/2 gallon of fuel to prevent fuel starvation and a serviceable 10-micron fuel filter is included. Go Fuel Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. It is crafted from billet aluminum, features -6 ORB ports along with a vacuum/boost port, and includes gauge. The Go-Spark LS3-style coils bolt in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade. They are available with or without a built-in LED that flashes when the coils are firing.
Not Yet Reviewed
$2,093.99
—
$2,745.99
$1,675.19
—
$2,196.79
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Designed as a complete induction and EFI system for your LS engine and available with or without transmission control, FiTech offers several master kits supplied with fuel delivery systems, as well as their Go Spark LS3 performance coils to support 500, 750, or 1,000 hp. FiTech Ultimate LS 1,000 hp EFI short cathedral intake fuel injection master kits package either a 440 lph in-tank pump for tanks with a depth of 6 to 15 in. or an in-tank dual pump module (two 340 lph pumps) that is ideal for fuel cells or custom tanks. Along with the fuel delivery, kits also contain a Go Fuel regulator—Tight Fit with gauge that supports up to 1,000 hp or FiTech's High Horsepower with gauge that supports up to 2,000 hp. Both are crafted from billet aluminum and feature -6 ORB ports and a vacuum/boost port. Completing these kits is your choice of FiTech Go-Spark LS coil packs to provide a fresh jolt of energy. Available with or without a built-in LED that flashes when the coils fire, the coils bolt-in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade, delivering optimum output with a quality fit and reliability. Select the FiTech Ultimate LS 1000 kit for your engine with the options you prefer. FiTech Ultimate LS 1,000 hp kits feature: * Intake manifold will fit cathedral port LS1/LS2/LS6 heads * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 80 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions
Not Yet Reviewed
$2,846.99
—
$3,572.99
$2,277.59
—
$2,858.39
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Designed as a complete induction and EFI system for your LS engine and available with or without transmission control, FiTech offers several master kits supplied with fuel delivery systems, as well as their Go Spark LS3 performance coils to support 500, 750, or 1000 hp. FiTech Ultimate LS 1000 hp EFI long runner cathedral intake fuel injection master kits package either a 440 lph in-tank pump for tanks with a depth of 6 to 15 in. or an in-tank dual pump module (two 340 lph pumps) that is ideal for fuel cells or custom tanks. Along with the fuel delivery, kits also contain a Go Fuel regulator—Tight Fit with gauge that supports up to 1,000 hp or a FiTech High Horsepower with gauge that supports up to 2,000 hp. Both are crafted from billet aluminum and feature -6 ORB ports and a vacuum/boost port. If you wish to add a fresh jolt of energy to your LS EFI swap, you can complete these kits with FiTech Go-Spark LS coil packs. Available with or without a built-in LED that flashes when the coils fire, the coils bolt-in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade, delivering optimum output with a quality fit and reliability. Select the FiTech Ultimate LS 1000 kit for your engine with the options you prefer. FiTech Ultimate LS 1000 intake manifold kit features: * Intake manifold will fit cathedral port LS1/LS2/LS6 heads * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 80 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions
Not Yet Reviewed
$2,846.99
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$3,572.99
$2,277.59
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$2,858.39
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, FiTech Ultimate LS EFI master kits are supplied with options for fuel delivery systems, as well as their Go Fuel regulators and Go Spark LS3 performance coils. FiTech Ultimate LS 1,000 hp EFI short LS3 port intake fuel injection master kits package either a 440 lph in-tank pump for tanks with a depth of 6 to 15 in. or an in-tank dual pump module (two 340 lph pumps) that is ideal for fuel cells or custom tanks. Along with the fuel delivery, kits also contain a Go Fuel regulator—Tight Fit with gauge that supports up to 1,000 hp or a FiTech High Horsepower with gauge that supports up to 2,000 hp. Both are crafted from billet aluminum and feature -6 ORB ports and a vacuum/boost port. If you wish to add a fresh jolt of energy to your LS EFI swap, you can complete these kits with FiTech Go-Spark LS coil packs. Available with or without a built-in LED that flashes when the coils fire, the coils bolt-in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade, delivering optimum output with a quality fit and reliability. Select the FiTech Ultimate LS 1,000 hp kit for your engine with the options you prefer. FiTech Ultimate LS 1,000 intake manifold kit features: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 80 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions
Not Yet Reviewed
$2,846.99
—
$3,572.99
$2,277.59
—
$2,858.39
On Sale
Finishing your LS swap is now easier with FiTech Ultimate LS systems. Available with or without transmission control, FiTech Ultimate LS EFI master kits are supplied with options for fuel delivery systems, as well as their Go Fuel regulators and Go Spark LS3 performance coils. FiTech Ultimate LS 1,000 hp EFI short LS7 port intake fuel injection master kits package either a 440 lph in-tank pump for tanks with a depth of 6 to 15 in. or an in-tank dual pump module (two 340 lph pumps) that is ideal for fuel cells or custom tanks. Along with the fuel delivery, kits also contain a Go Fuel regulator—Tight Fit with gauge that supports up to 1,000 hp or a FiTech High Horsepower with gauge that supports up to 2,000 hp. Both are crafted from billet aluminum and feature -6 ORB ports and a vacuum/boost port. If you wish to add a fresh jolt of energy to your LS EFI swap, you can complete these kits with FiTech Go-Spark LS coil packs. Available with or without a built-in LED that flashes when the coils fire, the coils bolt-in place of the originals and accept the sealed, locking connector and plug wire terminal for a simple upgrade, delivering optimum output with a quality fit and reliability. Select the FiTech Ultimate LS 1,000 hp kit for your engine with the options you prefer. FiTech Ultimate LS 1,000 hp intake manifold kit features: * Fabricated 3mm thick aluminum sheet metal and TIG welded * Cast, cable activated billet aluminum 102mm throttle body * Handheld controller with color touch screen and cable * Windshield mount for touch screen controller * LS ECU * 80 lb./hr. injectors * High volume billet fuel rails * Self-learning technology maintains your target air/fuel ratio settings * Sequential fuel and spark control with individual cylinder trim * Connects to 24x and 58x cam sensors * Knock sensor control connects to factory sensors * 3-Bar MAP sensor for boosted applications up to 30 psi * Tach output driver works with most tachometers * Two programmable electric fan outputs * Supplied with WBO2 sensors * Custom wiring harness for a direct plug-in installation * Systems with transmission control allows shift point and firmness adjustments on 4L60/65/80/85 GM transmissions
Not Yet Reviewed
$2,846.99
—
$3,572.99
$2,277.59
—
$2,858.39
On Sale
The FiTech Ultimate LS EFI 500 HP fuel injection system with long runner cathedral intake kit comes with an intake, 92mm throttle body, LS3 coil packs and a transmission controller. FiTech self-tuning induction systems for LS engines are designed for the do-it-yourself hot rodder! This system is ready to go with everything needed to complete the induction system of your LS engine and get you on the road easily and faster than any system on the market today. The Ultimate LS ECU has the ability to control the shift points, shift firmness, downshifts and all other features involved when controlling the transmission. This feature is suitable for 4L60, 4L65, 4L80 or 4L85 transmissions. FiTech's Ultimate EFI is a complete kit. Check out the list of features and you will wonder why it's never been so simple to ditch that old factory hardware or top off that fresh long block. FiTech has taken the work out of getting your LS up and running in a flash. That's why FiTech calls this the Ultimate EFI system.
Not Yet Reviewed
$2,320.99
$1,856.79
On Sale
FiTech Ultimate LS EFI 500 hp fuel injection systems with Go Fuel in-tank module combines incredible engineering and construction for top-of-the-line performance. FiTech fabricated many billet aluminum parts for their Ultimate LS EFI 500 hp systems, including a 92mm throttle body, high-volume fuel rails, and a 1,500 to 6,500 rpm powerband intake manifold. They combine sequential spark and fuel control with 36 lbs./hr. injectors, a plug-and-play wiring harness, and a color touch screen self-learning ECU. This allows for programing two fan control outputs, most tach and speedometer output drivers, and target AFR and timing on the fly. The Go Fuel in-tank module universal billet assembly can be used on tanks with a depth of 6 to 15 inches. The billet aluminum was designed with the supply and return ports in a parallel position to help route the fuel lines easily and evenly. The vent port is on the other side to ease routing the line near the fill tube. The two fuel ports are threaded to accept -6 AN O-ring boss fittings for a secure, leak-free connection. Whether you're starting with a 5.3 junkyard dog or a crate motor, FiTech Ultimate LS EFI 500 hp systems with Go Fuel in-tank module will look and run exceptionally. Additional Ultimate LS features: * Optional GM transmission control feature is suitable for 4L60, 4L65, 4L70, or 4L80 * Black anodized aluminum parts for style and corrosion resistance * High-flow, cable-operated throttle body * Bosch wideband-controlled * Stainless oxygen sensor bung * Compatible with car and truck coils * AN fittings and fuel crossover * Works with custom cams * Designed for applications making at least 6 in. of vacuum at idle * 24X and 58X crank and cam compatible * Programmable touch screen hand-held controller with data log features * Suction cup mounting bracket
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$2,175.99
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$2,726.99
$1,740.79
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$2,181.59
On Sale
FiTech Ultimate Rebel LS 500 hp EFI fuel injection systems are available with or without a transmission control. These cutting-edge fuel injection solutions combine high performance with a sleek and refined design. Building upon the success of the renowned FiTech Ultimate LS EFI system, the Rebel LS takes innovation a step further with its distinctive cleaner profile and enhanced features, making it the ultimate choice for modern engine conversions. Designed for enthusiasts seeking both power and aesthetics, the Ultimate Rebel LS EFI system redefines the look and performance of your LS-powered vehicle. The standout feature of the Rebel LS system is its sleek and streamlined appearance, which seamlessly integrates with the engine bay, providing a cleaner and more polished aesthetic. The redesigned fuel rail bracket adds to the visual appeal, offering a fresh and modern touch that complements any engine setup. Beneath its striking exterior, the Ultimate Rebel LS EFI system boasts the same advanced technology that FiTech is known for. Experience exceptional fuel delivery and engine control, optimizing your vehicle's performance and efficiency. These systems are tailored to LS engine conversions, ensuring a hassle-free installation process while delivering consistent and reliable results. Key features include: * Cleaner profile: The Ultimate Rebel LS EFI system is engineered with a refined design that seamlessly integrates into your engine bay, elevating the visual appeal of your vehicle * Thicker gauge manifold provides quieter injection * Redesigned fuel rail bracket: The innovative fuel rail bracket design not only enhances the appearance but also adds a touch of sophistication to your engine compartment * Advanced fuel injection technology: Benefit from FiTech's cutting-edge fuel injection technology, ensuring precise fuel delivery and optimized engine performance * Effortless installation: Designed specifically for LS engine conversions, the Rebel LS system offers a user-friendly installation process that minimizes downtime * Optimized performance: Unlock the full potential of your LS-powered vehicle with improved throttle response, increased horsepower, and better fuel efficiency * The most complete kit on the market; includes manifold, ECU, sensors, throttle body, harness, fuel rails, fuel pressure regulator, throttle cable brackets, and more * Boost/Nitrous compatibility: Equipped with 3 Bar MAP sensor (27 psi) * E85 compatible Kit contents: (1) Rebel LS1, LS2, LS6 low-profile intake manifold with MAP and IAT port (1) Ultimate LS 92mm throttle body with sensors (8) 36 LB injectors (1) LS ECU (1) LS1 fuel rail kit (1) Primary LS harness (2) EV1 injector sub harness (1) Oxygen sensor extension sub harness (1) 3 Bar MAP sensor (1) IAT sensor (1) LS1/LS2 knock sensor harness (1) Go EFI clamp-on oxygen sensor bung kit (1) Handheld monitor for ultimate LS (1) FiTech hand-held cable (1) FiTech USB to USB C cable (2) FiTech oxygen sensors (1) Premium magnetic handheld mount (1) Rebel intake throttle cable bracket with round hole (1) Rebel intake throttle cable bracket with stock GM cable notch (1) Go Fuel tight fit regulator with pressure gauge
Not Yet Reviewed
$1,900.00
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$2,190.00
$1,520.00
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$1,752.00
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