Air & Fuel Delivery
Availability
Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors...
Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors for street to strip, plus intake manifolds ranging from stock-height replacements to hood-busting tunnel rams. If you’e ready to advance to fuel injection, we’ve got you covered with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. We’ve also got cold air intakes, fuel pumps, fuel filters, superchargers, turbochargers, nitrous kits, methanol injection kits, hood scoops, and air filters—there’s no excuse for starving...
Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors for street to strip, plus intake manifolds ranging from stock-height replacements to hood-busting tunnel rams. If you’e ready to advance to fuel injection, we’ve got you covered with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. We’ve also got cold air intakes, fuel pumps, fuel filters, superchargers, turbochargers, nitrous kits, methanol injection kits, hood scoops, and air filters—there’s no excuse for starving that horsepower-hungry beast now!
FAST automatic transmission controller components are designed to keep your FAST EZ-TCU in perfect working order. The controller allows for maximum electronic control over shift points, shift firmness, and shift speed. The unit is also optionally fully programmable based on load, speed and RPM. If you ever need to replace any component from your transmission controller, FAST has the components you need.
Not Yet Reviewed
$297.95
On Sale
Holley Terminator X Max Stealth 4150 EFI systems feature 4 or 8, 100 lb. fuel injectors capable of supporting up to 650 hp naturally aspirated and 600 or 1250 hp on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! The throttle body has the standard 4150 carburetor flange so it will bolt down where your square bore carburetor was. Holley Terminator X Max Stealth 4150 systems provide transmission control for later model GM 4L60E and 4L80E transmissions.
( 3 )
$2,349.95
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$2,749.95
$2,113.95
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$2,473.95
Wiring Specialties Pro Series LS1 Engine wiring harnesses offer the best in aesthetics, weight savings, and reliability. Designed specifically for your throttle cable driven LS1 equipped ride, these harnesses look as good as they function. Even better, the installation is simple and efficient! Check out the features and benefits, then completely replace your old harness and forget about electrical gremlins—thanks to Wiring Specialties Pro Series harnesses. Pro Series features and benefits: * Plug-and-play installation: The engine requires only 3 wires to be connected—starter signal, ignition signal, and fuel pump * No cores and additional wiring required * Integrated coil pack harnesses included * Standalone 5-circuit Bussmann fuse/relay block provided; no connections to OEM fuse boxes required * Circuits provided: Ignition, Fuel Pump, Fan1, Fan2 and A/C relay * Proper gauge wiring support for dual, 30 amp, PCM-controlled cooling fans * Point-to-point digital test on every wire * Constructed using OEM connectors and TXL Automotive wire with OEM colors * Made with high temp TXL wire (-40C to +125C operating temperature) with adhesive shrink tubing * ThermaShield 1,200F Aluminum/Fiberglass connector protection provided for knock sensors * Wrapped in lightweight nylon loom with -94C to +257C operating temperature * They have integrated transmission harnesses, and allow for more customization when selecting options like ECU, injector, and AFM connectors * They use high-temperature braided sleeving, and are built to exceed OEM specs for wire temperature rating, quality, and power/ground routing * The harnesses are designed from the ground-up for performance, optimization, and modularity, plus they're "tucked" for a clean professional appearance * Developed in-house on actual engines to ensure a perfect fit to the engine and chassis * Wiring Specialties use an OEM-style wiring construction process—they utilize hydraulic crimping machines that crimp wire and terminals with over 2000 lbs. of force * All harnesses undergo a wire-to-wire electronic test after assembly, to ensure that no wire pinout mistakes were made during assembly
( 1 )
$819.00
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$894.00
FiTech has some of the best-engineered and priced throttle body systems on the market. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. FiTech fabricated many aluminum parts for these systems, including the low-profile 92mm billet throttle body, high-volume billet fuel rails, and an intake manifold with 1,500 to 6,500 rpm powerband and 3mm construction. Sequential spark and fuel control mates 36 lbs./hr. injectors, a plug-and-play wiring harness, and a color touchscreen 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. A suction cup mounting bracket puts the controllers at your fingertips and allows for impressive visual aids. The optional transmission control feature is suitable for 4L60, 4L65, 4L70, or 4L80 GM transmissions. FiTech LS EFI 500HP fuel injection systems with transmission controller provide impressive power and performance, while allowing you to save a little green for your next tires. Additional features: * 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 touchscreen hand-held controller with data log features
( 41 )
$2,107.00
FiTech Ultimate Rebel LS 1,000 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 102mm 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 handheld 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
$2,617.99
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$3,220.99
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
$2,302.99
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$2,824.99
FiTech Ultimate Rebel LS 750 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 102mm 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 handheld cable (1) FiTech USB to USB C cable (2) FiTech oxygen sensors (1) Premium magnetic hand-held 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
$2,587.99
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$3,109.99
Wiring Specialties Pro Series Vortec Engine wiring harnesses offer the best in aesthetics, weight savings, and reliability. Designed specifically for your Vortec equipped ride, these harnesses look as good as they function—and installation is simple and efficient! Check out the features and benefits, then completely replace your old harness and forget about electrical gremlins—thanks to Wiring Specialties Pro Series harnesses. Pro Series features and benefits: * Plug-and-play installation: The engine requires only 3 wires to be connected—starter signal, ignition signal, and fuel pump * No cores and additional wiring required * Integrated coil pack harnesses included * Standalone 5-circuit Bussmann Fuse/Relay Block provided, no connections to OEM fuse boxes required * Circuits provided: Ignition, Fuel Pump, Fan1, Fan2 and A/C relay * Proper gauge wiring support for dual, 30 amp, PCM-controlled cooling fans * Point-to-point digital test on every wire * Constructed using OEM connectors and TXL Automotive wire with OEM colors * Made with high temp TXL wire (-40C to +125C operating temperature) with adhesive shrink tubing * ThermaShield 1,200F Aluminum/Fiberglass connector protection provided for knock sensors * Wrapped in lightweight nylon loom with -94C to +257C operating temperature * Integrated transmission harnesses which allow for more customization when selecting options like ECU, injector, and AFM connectors * High-temperature braided sleeving are built to exceed OEM specs for wire temperature rating, quality, and power/ground routing * The harnesses are designed from the ground-up for performance, optimization, and modularity, plus they're "tucked" for a clean professional appearance * Developed in-house on actual engines to ensure a perfect fit to the engine and chassis * Wiring Specialties use an OEM-style wiring construction process—utilizing hydraulic crimping machines that crimp wire and terminals with over 2000 lbs. of force * All harnesses undergo a wire-to-wire electronic test after assembly, to ensure that no wire pinout mistakes were made during assembly
Not Yet Reviewed
$894.00
On Sale
Holley Terminator Max X Stealth 4150 58X LS EFI systems feature four 100 lbs./hr. fuel injectors capable of supporting up to 650 hp naturally aspirated or 600 hp on forced induction applications. The Terminator X ECU provides fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle! Holley Terminator Max X Stealth 4150 58X LS EFI fuel injection systems also include transmission kick-down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications, as well as plug-and-play transmission control for GM 4L60 and 4L80 applications. System features include: * All wiring exits below the fuel injector bowls for a complete stealth installation * Air entry machined to fit most stock-style air cleaners with air cleaner locator provisions * Integrated ignition timing control offers plug-and-play with factory LS coil sub-harness and OEM LS coils (no external boxes/modules needed to run coil near plug) * High-resolution, full-color touchscreen for initial setup, tuning, and gauge displays * Simple calibration wizard—no laptop required * Four inputs (12 V, ground, 5 V, and frequency) for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (fuel and oil pressure inputs are pre-terminated) * Four outputs (ground, PWM -) for accessories such as fans, boost control, nitrous control, IAC kit, and more * Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * OEM-style TPS/IAC for years of dependable service * Available in three finishes: shiny, black, and gold * Compatible with Holley EFI digital dashes, gauges, and fuel system accessories
( 1 )
$2,749.95
$2,473.95
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$2,749.95
On Sale
Holley Terminator Max X Stealth 4150 24X LS EFI systems feature four 100 lbs./hr. fuel injectors capable of supporting up to 650 hp naturally aspirated or 600 hp on forced induction applications. The Terminator X ECU provides fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle! Holley Terminator Max X Stealth 4150 24X LS EFI fuel injection systems also include transmission kick-down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications, as well as plug-and-play transmission control for GM 4L60 and 4L80 applications. System features include: * All wiring exits below the fuel injector bowls for a complete stealth installation * Air entry machined to fit most stock-style air cleaners with air cleaner locator provisions * Integrated ignition timing control offers plug-and-play with factory LS coil sub-harness and OEM LS coils (no external boxes/modules needed to run coil near plug) * High-resolution, full-color touchscreen for initial setup, tuning, and gauge displays * Simple calibration wizard—no laptop required * (4) inputs (12 V, ground, 5 V, and frequency) for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (fuel and oil pressure inputs are pre-terminated) * (4) Outputs (ground, PWM -) for accessories such as fans, boost control, nitrous control, IAC kit, and more * Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * OEM-style TPS/IAC for years of dependable service * Available in 3 finishes: shiny, black, and gold * Compatible with Holley EFI digital dashes, gauges, and fuel system accessories
Not Yet Reviewed
$2,749.95
$2,473.95
Caspers Electronics VSS splitters are harnesses that can be used when you need access to the VSS signal for more than one device. For example, if you have an external speedometer or trans controller and need to retain the VSS signal necessary for computer control. Casper VSS splitters are available in two models for older or typical GM vehicles, and both are completely sealed with simple plug-and-play operation. There is approximately 3 in. of wire between connectors. Select the one needed for your vehicle.
Not Yet Reviewed
$34.79
The Detail Zone Telorvek GM truck TBI EFI wiring harnesses will make wiring your engine easier. These wiring kits come with all of the sensor connections pre-installed on color-coded and printed wire, which attaches to the engine and transmission using the factory ECM. TDZ Telorvek harnesses create an exceptionally neat installation, along with the advantages of superior troubleshooting. The EFI systems include detailed instructions, and include the necessary wiring for electronic transmissions. Trust Telorvek from Ron Francis and The Detail Zone to wire your next EFI project.
( 1 )
$793.75
The Detail Zone Telorvek GM LT1 EFI wiring harnesses offer freedom, flexibility, and factory performance. And TDZ Telorvek panels are the heart of your professional wiring job--the connection between your engine sensors and computer. Freedom: GM sensor connectors are factory installed to 20 ft. lengths of wire for easier routing. You plug the connector into the sensor, run the wires to the Telorvek panel that has factory installed connectors, and then plug them into the factory computer. Flexibility: These Detail Zone systems allow the ECM to be put almost anywhere you desire! Factory: All systems are complete and operate the engine in a closed loop--like the factory units, with comparable gas mileage and drivability! Trust Telorvek GM LT1 EFI wiring harnesses from The Detail Zone for a neat installation and excellent operation.
Not Yet Reviewed
$945.65
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$1,019.15
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