Air & Fuel Delivery
Availability
Air/Fuel Delivery Parts for Carbureted & Fuel Injected Engines
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!
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Summit Racing™ Universal LS Fuel Filter Regulators
Summit Racing™ LS fuel filters with built-in regulator make it easy when getting more fuel to your engine. They are Corvette- style, 58 psi-rated fuel filter/regulators with a 5 nominal micron rating. The bypass design allows you to run one inlet with one outlet to the engine and a return outlet back to the tank. Summit Racing™ universal LS fuel filter regulators are ideal when performing a LS engine swap or any other fuel injection swap.
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$34.99
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$64.99
Holley EFI LS Hi-Ram Intake Manifolds
Holley EFI LS Hi-Ram intake manifolds are designed for your high performance race engine. Big cube and high-rev applications without height limitations are the intent for these manifolds. The modular design of these Holley Hi-Ram intake manifolds offers a runner length and as-cast tapered cross-section design that works for a wide range of engine configurations. The included fuel rails are machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. Build maximum performance with EFI LS Hi-Ram intake manifolds from Holley.
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$1,177.95
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$1,349.95
Summit Racing™ Pro LS Steam Line Kits
When upgrading your LS-powered vehicle, don't forget to replace the factory steam tubes. Our Summit Racing™ Pro LS steam line plumbing kits eradicate trapped air and steam pockets from your engine to prevent hot spotting and overheating as well as provide more flexibility when using aftermarket intakes. Kits vent all 4-corners (except SUM-220952 and SUM-220952B kits) and contain black anodized billet aluminum fittings, steam port adapter, O-rings, stainless steel bolts, -3AN or -4AN hose and hose ends, (stainless steel hard lines and 5-port distribution block on SUM-220959 kit only) to make installation easy and more attractive than OEM lines, offering a cleaner look and better waterflow.
( 18 )
$74.99
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$169.99
FiTech Ultimate LS Loaded Intake Manifold Kits
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
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$965.00
Summit Racing™ Max EFI LS Intake Manifolds
Our Summit Racing Max EFI LS intake manifolds feature a curved edge design with a large 9.7-liter plenum, for maximum flow and horsepower. They are available in both tall and low-profile, and satin or black anodized finishes. They include gaskets, mounting hardware, and a billet fuel rail kit.
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$499.99
ICT Billet LS Lifter Valley Covers
Seal up your engine while looking good with one of these ICT Billet LS lifter valley covers. They are designed to fit (Non-DoD) engines and are milled from a solid block of aerospace-quality billet aluminum. The covers offer outstanding block rigidity, while the precision-machined underside provides an excellent seal using the existing factory O-ring. Their wide chamfered edges ensure adequate intake manifold runner clearance and they include the necessary flush mount, Allen head stainless steel mounting hardware.
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$49.99
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$99.99
Holley LS Modular Lo-Ram EFI Intake Manifolds
Holley LS Modular Lo-Ram EFI intake manifolds are designed for GM LS Gen III and IV engines equipped with GM LS1/LS2/LS6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and a 105 mm throttle or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood in the front-feed configuration. The modular design allows the use of front-feed plenum entry, while intake design facilitates custom inlet duct and throttle body placement. Additional features and specs: * Cast aluminum construction with satin silver finish * Modular design allows the use of front-feed plenum entry * Clears 4th Gen Camaro and C5 Corvette cowls and hoods without modification * With forced-induction and the short runner length the engine rpm at which peak power occurs is more likely to be coupled to the supercharger or turbocharger being used * High-volume fuel rails and mounting hardware included with 3/4 in.-16 O-ring ports (8 AN) * Fuel rail kits include two sets of brackets; a set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors
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$665.95
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$1,299.95
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
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$2,399.99
Holley LS Throttle Bodies
Holley LS throttle bodies are unquestionably the biggest bore and most feature-loaded option available. Holley went back to the drawing board and built the ultimate air valve for your LS engine. They are available with huge 105mm or 95mm bores--and low rpm, drive-friendly tapers. The 105mm version is designed for drag race applications when wide-open throttle is all that matters. Features like idle bleed adjustment, TPS clocker, and PCV passage defeat valve units, making them the ultimate throttle bodies for ease of installation and tuning. Regardless of whether you have a turbo, supercharger, or a big cam engine sucking gulps of air, Holley LS throttle bodies are manufactured from high-grade billet aluminum, and black anodized to give them a modern tech look, they're maximized for your application.
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$849.95
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$870.95
On Sale
Holley LS Mid-Rise Carbureted Intake Manifolds
Bolt a carburetor onto your LS engine using Holley LS mid-rise carbureted intake manifolds. These intake manifolds work on all GM LS, Gen III, or Gen IV engines equipped with rectangular or cathedral port cylinder heads. Available in a single or dual plane design, these manifolds use an O-ring cylinder head mounting flange to provide an OEM seal and make installation a snap. You'll also receive mounting bolts, washers, and pipe plugs for the manifold vacuum and MAP sensor ports.
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$425.95
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$587.95
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
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$1,806.00
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$2,694.99
Trick Flow® Engine Steam Line Plumbing Kits for GM LS
Your modified LS-powered cars and trucks will be easier to service with an upgrade to a race car plumbing system. These plumbing kits contain black anodized billet aluminum fittings, O-rings, stainless steel bolts, and all of the necessary hose to plumb just the front of the heads or all four corners. Choose the most desirable upgrade to your factory steam tubes--Trick Flow® engine steam line plumbing kits for GM LS.
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$101.99
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$148.95
Summit Racing™ Pro LS Drive-By-Wire Throttle Bodies
Summit Racing™ drive-by-wire throttle bodies are a perfect upgrade for any late model LS/LSX engine. They're precision-machined from 6061 billet aluminum and come in multiple finishes. The unique blade design allows these throttle bodies to bolt right up to any factory or aftermarket LS/LSX intake manifold—and they utilize the original late model GM 6-pin connector. Their larger bore size allows for increased airflow, which results in fast, smooth acceleration across all RPM ranges. The proprietary electronics and stepper motor allow these throttle bodies to be used on both naturally aspirated and forced induction engines. Tuning is required for installation.
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$601.99
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$621.99
Holley EFI LS Single Plane Mid-Rise Intake Manifolds
Holley EFI LS single plane mid-rise intake manifolds are great for your higher horsepower engine. Featuring cast aluminum construction, these manifolds are also great for centrifugal blower, turbocharged, or NOS mild power adder applications. The efficient casting design is lightweight--11.5 lbs.--with consistent wall thickness and strong mounting flanges. The optimized runner layout and constant cross sectional area offer a broad torque curve, with the best vehicle performance from 2,500 to 7,000 rpm. The mid-rise design offers minimum carb mounting flange height--without sacrificing power--and is another plus for vehicles with minimum hood modifications. Holley EFI LS single plane mid-rise intake manifolds include zinc-plated hex head cap mounting bolts and washers, pipe plugs to block manifold vacuum and MAP sensor ports, and Viton® O-ring cylinder head mounting flange gaskets for an OEM-style seal.
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$491.95
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$562.95
Holley LS Steam Vent Kits
Holley LS steam vent kits prevent hot spots or overheating. Designed to eliminate trapped air and steam from your engine, these complete kits are available to plumb your engine and include the appropriate hose and hose ends to make installation a breeze. They are more attractive than the OEM lines and offer increased flexibility when using aftermarket intakes and other accessories on your performance vehicle. Holley LS steam vent kits may feature: * Adjustable pivoting steam vent adapters * Black push-on or stainless braided Speed-Flex hose and hose ends * Available in front or 4-corner plumbing options
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$64.05
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$194.95
Earl's Performance LS Steam Vent Kits
Earl's Performance LS steam vent kits eliminate trapped air and steam from your engine to prevent hot spots and overheating. They offer a selection of these LS power plumbing kits, with the appropriate braided stainless steel Speed Flex hose with hose ends that make installation easier and much more attractive than OEM hard lines. Plus, they provide more flexibility when you're using aftermarket intakes and other accessories on performance vehicles. The kits are available in front and 4-corner plumbing options, with adjustable anodized aluminum steam vent adapters and/or distribution blocks. Plumb your LS for performance with Earl's steam vent kits.
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$194.95
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$357.95
Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems
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
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$2,819.95
Top Street Performance LS EFI 85 GPH Fuel Pump and Filter Regulator Kits
Top Street Performance LS EFI 85 GPH fuel pump and filter regulator kits are a great fuel delivery solution for your LS engine swap. With a "044" style pump and LS Corvette-style fuel filter pressure regulator, these assemblies are easy to install and fit to your vehicle. The pump has a free flow rate of 85 gph, and the regulator has a maximum pressure of 58 psi. Each kit includes all the necessary fittings and 25 ft. hose. (In order for regulator to operate at 58 psi, it is recommended to mount the regulator as close to fuel tank as possible.) Product specs: * Universal; intended for gasoline EFI applications * PUMP FREE FLOW RATE: 320 lph (85 gph) * PUMP MAXIMUM PRESSURE: 90 psi * PUMP HOUSING MATERIAL: Aluminum * PUMP INLET ATTACHMENT: Female * PUMP INLET SIZE: -10 AN * PUMP INLET QUANTITY : One * PUMP OUTLET ATTACHMENT: Female * PUMP OUTLET SIZE: -8 AN * PUMP OUTLET QUANTITY: One * FILTER TYPE: Inline * INLET SIZE: -10 AN O-ring * INLET ATTACHMENT: Female * OUTLET SIZE: -10 AN O-ring * OUTLET ATTACHMENT: Female * FILTER STYLE: Inline * INLET QUANTITY: One * INLET ATTACHMENT: Male * OUTLET SIZE: -8 AN * OUTLET QUANTITY: Two * OUTLET ATTACHMENT: Male * OUTLET SIZE: -8 AN * FILTER ELEMENT: Included * SMALLEST PARTICLE FILTERED: 5 Microns * ELEMENT MATERIAL: Paper * HOUSING MATERIAL: Steel * HOUSING FINISH: Natural * OVERALL LENGTH: 5.660 in. * OUTSIDE DIAMETER: 2.175 in. * MOUNTING BRACKET: Included * FITTINGS: Included * CLAMPS: Not Included * REGULATOR STYLE: Return
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$320.98
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 )
$1,521.95
Holley EFI LS Single Plane Split-Design Race Intake Manifolds
Developed with performance in mind, Holley EFI LS single plane split-design race intake manifolds feature a race bred, 2-piece split design that was previously found only on the most expensive race intakes. These manifolds will fit GM LS Gen III engines with cathedral port heads for high performance/racing engine applications with 5.3 to 6.2 liter displacement and maximum engine speeds of 6,000 to 7,000 rpm, depending on the engine combination. The single-plane design provides optimal performance across the rpm spectrum, while the split feature, which allows disassembly of the intake for direct access to internal plenum and port surfaces, makes custom porting and matching a snap. Shoulder bolt locators and an O-ring seal makes reassembly simple and precise.
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$716.95
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$849.95
Holley EFI LS Mid-Rise Intake Manifolds
Holley EFI LS Mid-Rise intake manifolds are designed for your high performance race engine. They're an excellent choice for street and performance street/strip applications. They're intended for big cube and high-rev applications without height limitations. The modular design of these manifolds offers a runner length and as-cast tapered cross-section design that works for a wide range of engine configurations. The included fuel rails are machined for -8 AN O-ring fittings, with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. Build maximum performance with EFI LS Mid-Rise intake manifold bases from Holley.
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$1,126.95
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$1,177.95
Holley LS Modular Lo-Ram EFI Intake Systems
Holley LS Modular Lo-Ram EFI intake systems have a top-feed plenum entry configuration, designed to allow the currently available Hi-Ram 105mm plenum tops to be fitted to a low-profile base intake manifold. The short runner, low-profile base intake manifold intended for forced induction applications and was conceived to package with an air-to-water plenum-mounted intercooler—with a shorter overall height than is possible with other existing intake manifolds. Using a modular design, the top-feed plenum configuration with 105mm top keeps the overall height at just 9.07 in.! Additional features and specs include: * Cast aluminum construction * Modular design allows the use of the included top-feed plenum entry * Designed for GM LS Gen III and IV engines equipped with GM LS1/LS2/LS6 (cathedral port) cylinder heads * Will also work with OE or aftermarket cylinder heads * Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000 to 8,000 rpm, depending on application * Low height to aid the packaging of a plenum-mounted air-to-water intercooler in a top-feed configuration (or to fit under a stock or mildly modified hood in the front-feed configuration) * High-volume fuel rails and mounting hardware included with 3/4 in.-16 O-ring ports (8 AN) * Fuel rail kits come with two sets of brackets—a set for long (usually standard length) fuel injectors, and a set for short (such as Pico or LS7) fuel injectors
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$1,075.95
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$1,299.95
Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems
Holley Terminator 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 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. 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
Not Yet Reviewed
$2,299.95
Holley EFI LS Hi-Ram Intake Manifold Bases
Holley EFI LS Hi-Ram intake manifold bases are cost-effective alternatives to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling these cast aluminum Hi-Rams with the high flowing LS-style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. These modular lower manifolds accept a wide range of carbureted and EFI tops, making them attractive to builders and fabricators as the perfect foundations for custom induction systems. Fuel rails are included and machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. The aggressive, bold, race-bred styling of Holley GM LS modular Hi-Ram lower manifolds will make bad intentions clear for drag race, muscle car, marine, off-road, sand rails, pulling trucks, track, and street-rod applications.
( 1 )
$921.95
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$1,024.95
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