$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Selected Filters


Loading...

Availability


CHEVROLET Chevy small block Gen III/IV (LS-based engines) Air & Fuel Delivery

Part Groups

Results 1 - 24 of 28

Chevrolet Performance EFI Intake Manifolds

Chevrolet Performance EFI intake manifolds are ideal stock replacements for your worn or faulty original. These multi-port injection models are made from factory-style materials to OE specifications—for a proper fit and flawless performance. Order the manifold recommended for your vehicle application.

5.0 out of 5 stars ( 1 )

$1,717.22

Injector Dynamics ID1300x Fuel Injectors

Injector Dynamics ID1300x fuel injectors are high-flow models with characteristics specific to the needs of motorsport tuners. You get superior flow without sacrificing idle and cruising performance in low fuel demand situations. This perfect balance between reliability and performance makes the 1300x Series one of the most popular options in today's motorsports. These injectors not only work with gasoline, but any ethanol fuels your engine is tuned for. The stainless internals prevent corrosion, add durability, and provide dependable flow in high performance engines. Order the ID1300x fuel injectors recommended for your vehicle.

4.0 out of 5 stars ( 1 )

$1,873.20

$1,890.00

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems

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

3.27 out of 5 stars ( 41 )

$1,806.00

$2,107.00

On Sale

Summit Racing™ LS CNC Billet Intake Manifolds

Our Summit Racing™ LS CNC billet intake manifolds look great and are made to take whatever you can throw at them. They are capable of handling 2,000 horsepower and over 300 psi of boost! Their plenums and bolt-on runners are CNC machined billet aluminum and will not distort or warp under boost. These intakes can accept up to 102mm throttle bodies and include hardware, gaskets, and an -8 AN fuel rail kit.

Not Yet Reviewed

$2,399.99


$1,999.99

$2,399.99

Summit Racing™ Turbocharger Hot Side Combo Kits

Summit Racing™ Turbocharger Hot Side combo kits provide premium components and accessories, carefully matched, to successfully reach your power and performance target. Each of our combos contain BTR multi-layer header gaskets, an ARP chromoly header bolt kit, and Precision Turbo and Engine turbocharger gaskets, along with a Summit Racing™ Pro LS turbo manifold and wastegate. Completing each combo will be one of our Summit performance turbochargers or a VS Racing turbocharger. Choose the combo best suited to your power needs. Contents and features: * BTR LS multi-layer steel gasket * ARP chromoly head bolts--12-point, rated at 170,000 psi to handle severe conditions * Precision Turbo and Engine turbocharger gaskets—stainless steel, provides a positive leak-free seal in high-temperature situations * Summit Pro LS turbo manifold—universal, 304 cast stainless steel, T4 flange, designed to handle the heat and horsepower * Summit wastegate--stainless steel base and 6061 aluminum cap with black anodized finish * VS Racing turbochargers with T4 housing * Summit 2600 or 2700 Series performance turbochargers--T4 turbine housings--true race turbos offering the latest in compressor aero technology with quick-spooling and free-flowing turbines specially designed, balanced, and precision assembled with 2618 billet forged compressor wheels for class leading racers.

4.5 out of 5 stars ( 2 )

$1,537.32

$2,133.31

Summit Racing™ Max EFI LS 750 Fuel Injection Systems

Summit Racing™ Max EFI LS 750 fuel injection systems are efficient, self-tuning kits for your LS engine. These multi-port systems combine an aluminum intake manifold available in two profiles and port sizes, transmission control, and either a 92 or 102mm billet aluminum throttle body. The systems are available in two finishes and are timing control and power added compatible. Fire up the performance of your LS engine with our Summit Racing™ Max EFI LS 750 fuel injection systems. Select the kit with the specs and finish desired for your LS-based engine. Features: * 4.4 in. color touch screen hand-held controller * Multi-port fuel rails * 55 lbs./hr. injectors * Plug-and-play wiring harness * Calibration module * Oxygen sensor * MAP sensor * Tall or short manifold profile * Cathedral or rectangle port * 92mm or 102mm diameter throttle body * Black or natural finish

Not Yet Reviewed

$1,999.99

LS Classic Series Classic Intake Manifold Kits

LS Classic Series classic intake manifold kits are designed to pay respect to the classic muscle cars and trucks of the 1950's, 60's, and 70's while using modern technology for ultimate performance. The intake kits include a single-plane aluminum intake manifold, black anodized billet aluminum fuel rails, a vintage air cleaner assembly, 4150 carb adapter plate, all mounting hardware, and gaskets. These systems require a 92mm GM 4-bolt throttle body and LS3/EV6 or LS1/EV1 fuel injectors. They are compatible with GM and aftermarket engine control units and harnesses that support both drive-by-wire and speed density tuning. LS Classic Series classic intake manifolds are available to work with rectangular or cathedral port LS cylinder heads. Order the classic intake manifold kit suited to fit your application.

1.0 out of 5 stars ( 1 )

$1,521.95

FiTech Retro LS EFI 650 HP Fuel Injection Systems

FiTech Retro LS EFI 650 hp fuel injection systems offer a "golden" opportunity for impressive looks and performance. These classic gold engine-toppers with transmission control are complete throttle body kits, suitable for everything from your junkyard 5.3 to a Stroker 427—and they deliver old-school carburetor looks with EFI technology and reliability. Whether a do-it-yourself hot rodder or professional EFI tuner, the features of the FiTech Retro LS EFI 600 hp system are sure to inspire you. FitTech Retro LS complete self-tuning induction kits include: * Classic gold die-cast throttle body * Hand-held controller * Windshield mount * Wideband oxygen sensor * Coolant temperature sensor * Self-learning ECU Features and benefits: * Wet flow technology and swirl spray annular discharge for complete atomization * Windshield-mount for control * Flow-matched 80 lb. injectors * Self-learning ECU with touchscreen controller for easy setup and configuration * Semi-sequential fuel and full spark control * Bosch wideband controlled (self-learning) * 24X and 58X crank and cam compatible * 1 BAR MAP sensor—TPS-IAC sensor * Speedometer Output Driver for most speedometers * On-the-fly programmable target air/fuel ratios and timing * Custom camshaft-friendly * Knock sensor control * Available transmission control feature is suitable for 4L60, 4L65, or 4L80 GM transmissions * Compatible with E-85 and gasoline * All Go-EFI's feature voltage control fuel pump control. This feature reduces the voltage to the pump under low-load conditions such as idle and cruise, thus reducing noise and heat. This will extend the life of your pump and keep the fuel in the tank cooler and your ears from ringing.

4.0 out of 5 stars ( 1 )

$1,834.00

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems

LS motors have a great base for power, but what they really need is something wicked to wake them up. FiTech LS EFI 750 HP fuel injection systems have alarming power, exciting style, and will take you and your vehicle to the edge. FiTech fabricated many aluminum parts for these systems, including the low-profile 102mm billet throttle body, high-volume billet fuel rails, and an intake manifold with a 1,500 to 6,500 rpm powerband and 3mm construction. Sequential spark and fuel control mate the 55 lbs./hr. injectors, plug-and-play wiring harness, and color touch screen self-learning ECU. This allows you to program 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 controller at your fingertips and allows for impressive visual aids. The optional transmission control feature is suitable for 4L60, 4L65, 4L70, or 4L80 GM transmissions. Awaken the beast and feed its needs with an ultra-performing FiTech LS EFI 750 HP fuel injection system with transmission controller. Additional features: * Programmable touch screen hand-held controller with data log features * 3-bar MAP sensor automatically detects up to 30 psi boost * AN fittings and fuel crossover * 24X and 58X crank and cam-compatible and works with custom cams * Black anodized aluminum parts for style and corrosion resistance * High-flow, cable-operated throttle body * Dual Bosch wideband with dual trim controlled * Knock sensor control * Stainless oxygen sensor bung * Compatible with car and truck coils * Designed for applications making at least 6 inches of vacuum at idle

3.9 out of 5 stars ( 20 )

$2,107.00

FiTech Ultimate Rebel LS 500 HP EFI Fuel Injection Systems

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

DeatschWerks Bosch EV14 Universal Fuel Injectors

DeatschWerks Bosch EV14 Universal fuel injectors represent Bosch's most advanced multi-port fuel injector technology! These injectors deliver an excellent spray pattern and atomization for optimized idle and tuning. They are provided with tuning data and a custom flow report for an easier tuning process. They have 10 different flow rates; so you can choose the combination of features that best meets your needs. EV14 injectors are offered in three different lengths, two different O-ring diameters, and 10 different flow rates; so you can choose the combination of features that best meets your needs. DeatschWerks Bosch EV14 Universal fuel injectors feature low inertia, ball and seat pintle design, and high quality copper coils to deliver fast and precise opening times.

Not Yet Reviewed

$1,569.00

On Sale

Nitrous Outlet Nitrous Oxide Plate Systems

Nitrous Outlet nitrous oxide plate systems come out of the box ready to deliver superior atomization. They spray up to 200 hp, but are capable of flowing up to 400 hp with additional jetting and a -6 AN main feed line upgrade. You'll get race-proven performance from the unique 6-port discharge design, guaranteeing the perfect mixture of fuel to nitrous. Overview: * Max flow 400 hp * 400+ hp solenoids * Anodized black aluminum plate and bottle (if included) * Wide-open throttle activation switch * Hardware, electric, and jetting included * E85 compatible with different jetting * Jetting included for 50 to 200 hp

4.0 out of 5 stars ( 3 )

$1,796.99

$2,426.99


$1,527.44

$2,062.94

DeatschWerks DV2 Fuel Injectors

DeatschWerks DV2 injectors fuel higher flow rates and your passion for higher performance. These Version 2 EFI fuel injectors are engineered with an entire package of technologies to deliver maximum flow, the fastest response times, and the broadest fuel compatibility. DeatschWerks DV2 brand is reserved for injectors that flow in excess of 1,000cc/min., and they incorporate Bosch EV14 technology—the gold standard in EFI. With special attention to design and materials, they're compatible with ethanol, methanol, leaded, and MTBE-oxygenated fuels. Plus, they have low-mass injection valves and high-energy coils to optimize opening times—fast, accurate, and precise! DeatschWerks Version 2 (DV2) fuel injectors are held to the utmost standards to feed your uncompromising standards of performance.

Not Yet Reviewed

$1,589.00

Excess Injectors Fuel Injectors

With a goal of changing the marketplace, Excess Injectors intends to create the best tested, matched, and most accurate performance fuel injectors in the world and become the new standard for performance injectors. When you purchase a set of Excess injectors, you also gain access to the Exact Match Data app. This app allows you to unlock the full potential of your injectors by providing access to comprehensive testing and matching data, including data downloads for HP Tuners and more. With over 20 years of experience, they continue to help you build better, faster, more powerful and fuel efficient vehicles. Take your ride's performance to the next level with the Excess Injectors fuel injectors best suited for your application. Product features, items, and specifications include: * Tracking app features over 6,500 measured flow points on each injector * Measurement of flow slope done with 1,200 recorded flow samples * High flow slopes matched within one percent in every set * Dead times matched within two percent in every set * Cloud server access allows you to see how tightly matched your specific set is, flow profiles, and each injector's testing parameters for full disclosure

Not Yet Reviewed

$1,568.00

Nitrous Express InstaBOOST EFI Nitrous Systems

For drag racing applications, you need a big turbo to make big power, but along with the big power comes a big problem--turbo lag. These Nitrous Express InstaBOOST EFI nitrous systems have the cure for turbo lag woes. They are uniquely configured to come on strong to eliminate that dreaded turbo lag, but then ramp out the nitrous smoothly to let the mighty turbo do its thing. The end result is monster power with zero lag, even with a huge turbo. The Nitrous Express InstaBOOST EFI nitrous systems feature an adjustable 1-8 psi pressure switch to control the nitrous flow--it's sure to have you out of the hole faster than ever.

Not Yet Reviewed

$2,099.95

Nitrous Express 5th Generation Camaro Plate Nitrous Systems

Nitrous Express 5th Generation Camaro plate nitrous systems provide the ultimate in distribution and atomization, due to their Phase 3 Spraybarless technology. These systems feature a billet plate that bolts between the intake and the throttle body for a simple and fast installation, with solenoids integrated into the plate for a clean look. Nitrous Express 5th Generation Camaro plate systems include jetting from 35 to 150 hp and may be upgraded to 200 hp with additional jets. A TPS Autolearn switch activates the nitrous only at wide-open throttle and automatically shuts it off when you let your foot off of the accelerator.

4.0 out of 5 stars ( 1 )

$1,834.75

$1,853.73

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine

Nitrous Express 4-bolt plate systems for GM LS-style engines feature a billet 90mm or 102mm nitrous plate that installs between the throttle body and intake manifold, making installation quick, easy, and attractive. Power levels can be adjusted between 50, 100, 150, 200, 250, 300, 350 and 400 horsepower. The systems are pre-machined with a second set of nitrous and fuel passages so you can easily upgrade to a dual stage system down the road. (Special note: These kits will work on 2010 and newer Camaros if you rotate the throttle body 180 degrees.) Order the model best suited for your setup. Systems include: * 90 or 102mm nitrous plate * Choice of no bottle, 5 lb., 10 lb., 12 lb., or 15 lb. bottle * Stainless bottle brackets (except no bottle system) * ProPower Lightning Series solenoids * 6 AN feed line * Braided stainless steel solenoid to plate lines * Master arming switch * WOT switch * Every nut, bolt, and electrical connector needed to complete installation

4.0 out of 5 stars ( 3 )

$1,634.76

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine

Nitrous Express 3-bolt plate systems for GM LS-style engines feature a billet nitrous plate that installs between the throttle body and intake manifold, making installation quick, easy, and attractive on all LS car and truck intakes with a 3-bolt throttle body. Power levels can be adjusted between 50, 100, 150, 200, 250, 300 and 350 horsepower. Order the system preferred for your setup. Systems include: * Billet nitrous plate * Choice of 5 lb., 10 lb., 12 lb., or 15 lb. aluminum bottle * Stainless steel bottle brackets * ProPower Lightning Series solenoids * 6 AN feed line * Braided stainless steel solenoid to plate lines * Master arming switch * WOT switch * Every nut, bolt, and electrical connector needed to complete installation

3.83 out of 5 stars ( 6 )

$1,634.76

On Sale

Holley Sniper Fabricated Dual Plenum Intake Manifolds

Holley continues to push the envelope of intake design with their latest offering: the Sniper fabricated dual plenum intake manifolds! This unique "dual plenum" design offers increased airflow and even dispersion of air to intake ports—solving the two most common problems experienced with many intakes. The manifolds are available in configurations and options for year/make and engine applications from the 1990s and up. Features and benefits of Holley Sniper fabricated dual plenum intake manifolds include: * Dual plenum design—ideal for street max effort engines and boosted applications * 3mm (1/8 in.) thick T-6061 sheet aluminum construction (for durability in high horsepower and boosted conditions) * 100 percent TIG-welded * Available in a choice of bright silver or black anodized finish * Equal runner lengths with tapered intake plenums designed to increase velocity and more evenly distribute airflow to all cylinders * Available in 92mm and 102mm bore throttle body openings * Long intake runner lengths (12.75 in.) offer low-end torque and operating range of 1600-6800 rpm

3.0 out of 5 stars ( 2 )

$1,549.95

On Sale

Nitrous Outlet EFI Dual Stage Single Nozzle Systems

Upgrade your current single stage system. Nitrous Outlet EFI dual-stage single nozzle systems are the simple way to add another stage of nitrous via their 1/8 NPT wet nozzle, break up a large shot, and keep the tires hooked up and going down the track nice and straight. They include everything needed to add horsepower to your late model EFI vehicle--hardware, wiring, jetting, solenoids, hoses, and nozzles. They also include a wide-open throttle (WOT) switch that only allows the systems to be activated when the motor is at full throttle. This feature will help in preventing engine damage and lean spikes. These complete race-proven Nitrous Outlet systems will convert your system to a true dual stage capable system.

Not Yet Reviewed

$1,791.99


$1,523.19

On Sale

Nitrous Outlet EFI Single Nozzle Systems

Nitrous Outlet EFI single nozzle systems come with more jets to set horsepower exactly where you want it. They include everything needed to add horsepower to your late model EFI vehicle--hardware, wiring, jetting, solenoids, hoses, and a nozzle. They also include a wide-open throttle (WOT) switch that only allows the systems to be activated when the motor is at full throttle. This feature will help in preventing engine damage and lean spikes. Get Nitrous Express race-proven systems because of their quality components and extreme performance.

Not Yet Reviewed

$2,320.99


$1,972.84

Mishimoto Intercoolers

Maximize your ride's performance with a Mishimoto intercooler! These high performance intercoolers significantly lower air intake temperatures, while safely increasing horsepower for small and large turbo applications. Constructed from 6061 aluminum and precision TIG-welded, Mishimoto intercoolers feature sleek styling in a choice of colors for the ultimate in good looks. Whether you want to show it off or go with the popular sleeper look, Mishimoto makes an intercooler to give your engine--and your style--a boost!

5.0 out of 5 stars ( 2 )

$1,775.95

$2,055.95

FiTech Retro LS TBI 650 HP System Force Fuel Injection Master Kits

FiTech Retro LS TBI 650 hp system Force fuel injection master kits deliver old school looks and modern EFI performance for your hot rod. These kits feature a FiTech classic carburetor-gold throttle body with transmission control and a pre-terminated wiring harness with specific LS engine sensors, including the factory knock sensors to complement the built-in timing control. The remote ECU can control the transmission shift points and characteristics of the popular 4L60/65/80E transmissions. No laptop is required, and the system will work on 24x or 58x cam sensors. Also supplied with the Retro LS TBI is a handheld touch screen controller, cable and windshield mount, WBO2 sensor, bung kit, gaskets, mini USB cable, instructions, and warranty info. FiTech master kits provide a fuel delivery system and in these kits you'll have either a Go Fuel Force Fuel or Mini Force system. The Force Fuel supports the demands of an 800 hp engine on gas and features a 1/2 gallon reservoir, an internal 340 lph pump with a serviceable 10 micron fuel filter, and an internal regulator that keeps the pressure at a consistent 58 psi, ideal for reliable EFI performance. The Mini Force is great for cramped engine compartments and supports up to 600 hp. It is equipped with an efficient 255 lph pump and an internal regulator. Both systems are supplied with high-pressure fuel hose, return line fitting bung, and a liquid-filled gauge. Choose the FiTech Retro LS master kit with your preferred fuel delivery system.

Not Yet Reviewed

$2,136.99

FiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits

FiTech Retro LS TBI 650 hp system in-tank/regulator fuel injection master kits deliver old school looks and modern EFI performance for your hot rod. These kits feature a FiTech classic carburetor-gold throttle body with transmission control and a pre-terminated wiring harness with specific LS engine sensors, including the factory knock sensors to complement the built-in timing control. The remote ECU can control the transmission shift points and characteristics of the popular 4L60/65/80E transmissions. No laptop is required, and the system will work on 24x or 58x cam sensors. Also supplied with the Retro LS TBI is a handheld touch screen controller, cable and windshield mount, WBO2 sensor, bung kit, gaskets, mini USB cable, instructions, and warranty info. For fuel delivery, these FiTech Retro LS master kits pair the TBI with either a 255 or 340 lph Go Fuel in-tank pump and a Tight Fit regulator with gauge. Both can be used on tanks with a depth of 6 to 15 in and feature a billet top assembly 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. Gaskets, terminals, and clamps are included. The Tight Fit regulator can be adjusted from 30 to 70 psi and will support up to 1,000 hp. Made from billet aluminum, it features -6 ORB ports along with a vacuum/boost port. Choose your preferred fuel delivery system.

Not Yet Reviewed

$2,106.99

$2,116.99

Modal Header