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BUICK LACROSSE Air & Fuel Delivery
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FAST LSXR Intake Manifolds
The engineers at FAST teamed up with the airflow specialists at RHS to develop a 3-piece, polymer intake manifold. They are constructed from a proprietary advanced polymer material that offers a host of benefits over aluminum aftermarket intakes, including lighter weight and improved strength and heat dissipating characteristics. While they feature a 102mm air inlet that is perfectly suited to the FAST Big Mouth 102mm throttle body, they can also be used with stock or aftermarket 90mm or 92mm throttle bodies. Other features include integrated nitrous bungs and perfect bolt-on fitment that allows for the use of factory accessories without modifications or clearance concerns. FAST LSXR intake manifolds' 3-piece modular design allows for easy disassembly and porting. This new design gives you the ability to remove individual runners from the manifold for modification.
( 26 )
$450.95
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$1,210.95
FAST LSXRT Intake Manifolds
FAST LSXRT intake manifolds are designed specifically for GM truck engines (4.8L, 5.3L, and 6.0L) and LS1, LS2, and LS6 race applications where hood clearance is not a concern. FAST LSXRT 102mm intake manifolds follow the path chartered by the original FAST LSX Gen III intakes by featuring a modular design that allows for easy porting and disassembly and a runner design that yields an incredible 25 peak horsepower gain over the stock intake (on a stock 6.0L engine with a Big Mouth 102mm throttle body). Similar to the LSXR 102mm intake manifold for cars, the LSXRT features the ability to remove individual runners for modification. LSXRT's are constructed from a proprietary precision injection molded polymer which offers many benefits, including lighter weight, greater strength and lower heat soak propensity. While they feature a 102mm air inlet that was designed for the FAST Big Mouth 102mm throttle body, they can also be used with stock 90mm or aftermarket 92mm throttle bodies (78mm three-bolt throttle bodies require an adapter). Other features include integrated nitrous bungs and precise bolt-on fit that permits the use of factory accessories and OEM fuel/emission connections without adjustments or clearance issues. Some GM truck models may require the FAST 92mm or 102mm throttle body.
( 10 )
$1,269.95
FAST LSX Intake Manifolds
These FAST LSX intake manifolds are the only 3-piece Gen III composite manifolds proven to deliver increased performance without compromising bottom-end drivability or high-rpm horsepower. They easily bolt onto GM Gen III (LS1, LS2, and LS6) engines and are designed to work with the 92mm FAST Big Mouth throttle body. The new stylish black intake manifolds deliver terrific performance right out of the box and can be ported by the customer for even more flow. As requested by previous LSX customers, the FAST LSX intake manifolds feature the added benefits of corrosion-free stainless steel assembly bolts, an improved throttle body sealing flange, and O-ring gasket and threaded insert throttle body mounts that provide increased durability.
( 5 )
$1,222.95
ICT Billet Fuel Injector Spacers
ICT fuel injector spacers adapt shorter LS injectors into taller LS intake manifolds and fuel rails. Manufactured from aerospace-grade billet aluminum, the spacers are available in multiple choices to add length to your fuel injectors. ICT Billet spacer sets also include O-rings. Choose the parts designed for your specific application.
( 28 )
$58.99
ACDelco Fuel Rail O-Ring Kits
ACDelco fuel rail O-ring kits are professional, premium aftermarket replacement parts. They're manufactured to meet expectations for fit, form, and function, providing the performance and dependability you expect from ACDelco.
( 9 )
$53.99
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
( 3 )
$857.57
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$1,040.21
ACDelco GM Genuine Parts Intake Manifolds
ACDelco GM Genuine Parts intake manifolds evenly distribute the incoming air to each of the cylinders. They ensure the proper amount of air is mixed with the proper amount of fuel, and they are GM recommended replacements for your vehicle's original component. They are manufactured to fit your GM vehicle, providing you with the same performance, durability, and service life you expect from General Motors.
( 14 )
$191.99
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
( 6 )
$857.57
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$1,040.21
FAST LSXR Upper Intake Shells
FAST LSXR upper intake shells are constructed from advanced polymer material that offers a host of benefits over aluminum aftermarket intakes—including lighter weight, increased strength, and improved heat-dissipating characteristics. These replacement shells are compatible with FAST LSXR 102mm, LS, L99, L92, and L76 intake manifolds found on hundreds of vehicles. Order the model recommended for your application.
Not Yet Reviewed
$497.95
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$690.95
Fel-Pro Fuel Injector O-Ring Sets
Fel-Pro fuel injector O-ring sets help maintain performance vehicle. These replacement rings are engineered to offer a good, tight seal and prevent fuel leakage into hot engine compartments. Over time, your factory O-rings can become worn or cracked—leading to erratic fuel injection. Update the small accessories with the Fel-Pro set recommended for your vehicle and engine application.
( 10 )
$4.99
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$5.99
Nitrous Express 102mm 4-Bolt LS Nitrous Plates
Nitrous Express 102mm LS nitrous plates bolt between the throttle body and intake, making installation quick and simple. The 4-bolt plates are also pre-machined with a second set of nitrous and fuel passages—so making the upgrade to a dual stage system is extremely easy by adding part number NX933D for a second stage. Order the plate model recommended for your year/make and engine application.
Not Yet Reviewed
$326.78
ACDelco GM Genuine Parts Vapor Canister Purge Valves
ACDelco GM Genuine Parts vapor canister purge valves are GM-recommended replacements for your vehicle's original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment parts have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Order the model designed for your vehicle to restore reliable, safe operation.
( 5 )
$35.99
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$39.99
ACDelco Fuel Tank Lock Rings
ACDelco fuel tank lock rings are GM-recommended replacements for your vehicle. These rings are of the same high quality to deliver the right fit and function, just like your originals. Secure your fuel tank sending unit with lock rings from ACDelco.
( 6 )
$14.99
Delphi EGR Valves
Limit nitrogen oxide emissions with Delphi EGR valves! Delphi EGR valves recirculate controlled amounts of inert gases into the intake system, where they mix with incoming air and lower the combustion temperature below the level at which nitrogen oxide is formed. They feature a robust design, constructed with stainless steel valves and components that provide resistance to corrosion, high temperatures, and wear. Delphi EGR valves are available with solenoid, torque motor, or direct current (DC) motor actuators to help meet your individual needs.
( 24 )
$128.99
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$135.99
Mr. Gasket Valley Cover Bolt Sets for GM LS Engine
Upgrade your GM LS engine with a set of Mr. Gasket valley cover bolt sets. The stainless steel fasteners look great and come with small diameter stainless AN washers, ideal for replacing missing or worn OEM fasteners. They feature a small diameter button head, giving you the extra clearance you need.
( 3 )
$42.74
ACDelco GM Genuine Parts Fuel Injectors
ACDelco GM Genuine Parts fuel injectors are an electro-magnetic valve that meters fuel into the engine's intake manifold or cylinders for combustion, and is a GM-recommended replacement for your vehicle's original component. The engine management computer operates the injector by applying an electric current to the injector solenoid winding—this causes the needle valve to open, and allows the pressurized fuel to be atomized into the intake airstream. These original equipment fuel injectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. They are also offered in kits with the necessary parts, such as seals, clamps, and spacer.
( 9 )
$107.95
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$109.99
ACDelco Vapor Canister Vent Solenoids
Operated by the engine control module (ECM) in your vehicle, ACDelco vapor canister vent solenoids signal the valves to open or close. This action allows the engine to burn fuel vapors captured in the charcoal canisters and prevents them from escaping into the atmosphere. For the quality, reliability, and durability of original equipment—all manufactured to factory specifications for fit, form, and function—order the recommended ACDelco vent valve solenoids designed to fit your vehicle!
( 18 )
$38.99
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$49.99
LS Classic Series Fuel Rails
LS Classic Series fuel rails are constructed from precision-machined aluminum with a classic anodized finish. Compatible with Holley 300-136 and 300-137 LS intake manifolds, they're designed to accommodate both long LS1 and short LS3 injectors. Each kit includes two fuel rails, O-rings, mounting brackets and associated mounting hardware. These fuel rails are also a standard item on all LS Classic crate engines and LS Classic Intake Kits.
Not Yet Reviewed
$189.95
ACDelco Fuel Injector Retaining Clips
ACDelco offers fuel injector retaining clips in a variety of styles. These factory-style replacements are designed for many vehicles from the 1980s and up. Machined to correct original specs, the metal clips secure the injectors to the fuel rail of your GM vehicle. They're available individually or in larger set quantities.
( 4 )
$9.99
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$13.99
K&N Inline Fuel Filters
K&N inline fuel filters are designed for high-volume, low-pressure fuel systems. They're constructed of high-quality materials to withstand normal gasoline. Available with a sintered bronze, paper, stainless steel mesh, or polymer-coated paper element, K&N inline fuel filters screen out those harmful particles that can cause engine damage. For replacement or upgrade, order the model recommended for your vehicle application.
( 97 )
$19.99
Chevrolet Performance Flex Fuel Sensor Harnesses
For drivers, determining actual ethanol content of E85 is essential to maximizing ignition timing, higher compression, and horsepower. Chevrolet Performance flex fuel sensor harnesses connect your GM sensor, which measures the ethanol-gasoline composition of the fuel used in your flexible fuel vehicle. In order to adjust the ignition timing and the fuel quantity to be injected, the engine management system requires the percentage of ethanol in the fuel. These electrical harnesses support a signal circuit which carries the ethanol percentage and changes the output signal accordingly.
( 1 )
$23.99
Chevrolet Performance Vortec Intake Manifold Bolts
These Chevrolet Performance Vortec intake manifold bolts will secure your intake manifold properly to your Vortec cylinder heads. They have the factory thread sealer already on the threads, and use a standard hex head for easy installation and removal. Chevrolet Performance makes installing your Vortec manifold simple with the use of their direct-fit intake manifold bolts.
( 3 )
$6.99
ACDelco GM Genuine Parts Fuel Injection Throttle Bodies
ACDelco GM Genuine Parts fuel injection throttle bodies are GM-recommended replacements for your vehicle's original component. It is located on the intake manifold, and contains the throttle plate(s) that control the air entering the engine. The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. These true OE fuel injection throttle bodies have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
( 42 )
$122.99
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$203.99
Clearance
Astemo Fuel Injectors
Astemo offers direct-fit fuel injectors for a wide range of vehicles, particularly import models. These stock replacements are built to OEM specifications for performance and longevity. O-ring seals are included. Order the fuel injectors recommended for fitment on your car or truck.
( 2 )
$66.99
$47.50
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$88.99
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