Availability
Showing In Stock Items. Show All 19 Items.
An LS engine swap is a no-brainer when it comes to adding some affordable horsepower to a project car. Unfortunately, any swap comes with its share of headaches, including wiring—and that's where Top Street Performance standalone fuel injection wiring harnesses come in. TSP offers three harnesses for drive-by-wire/drive-by-cable applications and they include a fuse block and all the connectors for a headache-free install. Order the harness recommended for your system.
Not Yet Reviewed
$444.44
On Sale
PRW Q-Jet carburetors are manufactured with all new components. They are a significant upgrade to stock GM carburetors for most GM automotive applications. Every carburetor is designed with precision engineering and cutting-edge features and are equipped with PRW's industry first lean/rich adjustment allowing 15% +/- main circuit adjustment to allow for precise tuning with ease. They are available in 750 cfm for GM cars and trucks with engine sizes ranging from 283-350 cu. in. and 800 cfm for GM vehicles with engine sizes ranging from 350-455 cu. in.—both applications work well with a mild cam or headers for optimum street performance. Choose the PRW Q-Jet carburetor designed for your application needs. Key features: * All new—not rebuilt, or remanufactured * Available for 750 and 800 cfm applications * Industry first Lean/Rich adjustment allowing up to 15% +/- main circuit adjustment to allow for precise tuning with ease * Universal replacement for most GM automotive applications * Includes most required vacuum ports * Complete with a one-wire electric choke * Locally assembled and run-tested, with all gaskets, metering rods, jets and air bleeds made in the USA * Compatible with "C" and "U" style throttle linkages suitable for stock intake manifolds
( 2 )
$699.89
$499.95
On Sale
With Holley Sniper throttle bodies, Holley engineers went back to the drawing board to build the ultimate air valve for your engine! They feature enlarged bore sizes, allowing for increased airflow to support your higher horsepower needs. A progressive throttle pulley enhances low-speed drivability, and a double return spring provides solid and secure throttle control feel. These units are maximized for your application, with a 4-bolt style mounting pattern; most models include bolts and gaskets. Order the throttle body designed for fitment with your year/make and engine family.
( 39 )
$320.95
$288.85
Summit Bucks
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.
( 40 )
$268.99
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.
( 5 )
$299.95
—
$349.95
On Sale
NOS OEM fuel injection plates ensure a steady, precise metered flow of nitrous and fuel for reliability, backed with years of laboratory research and dyno and dragstrip testing. The injector plates are available for those who want to build their own system or upgrade their current nitrous system, without the expense of buying a new complete system. Unless specified, NOS injector plates incorporate a low-profile (1/2 in. thick) plate, and are constructed of solid billet or diecast aluminum with a durable black finish. Select the kit recommended for your engine application.
( 2 )
$349.95
—
$449.95
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
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
On Sale
MSD Atomic EFI billet fuel rails are the perfect complement for your Atomic AirForce intake manifold. Whether you're looking for just rails, or complete kits with all the necessary plumbing--these fuel rails will have you looking for any excuse to pop the hood. They feature a bright dip, black anodized finish with laser-etched logos and a 5/8 in. diameter fuel passage flow capacity for high-horsepower applications. Make your engine look as good as it performs with MSD Atomic EFI fuel rails. Features, specs, and parts may include: * Fuel rails are machined to accept large -8 (3/4 in.-16) O-ring fittings * Includes mounting brackets and hardware * Includes four -6 to 3/4 in.-16 O-ring adapters
( 1 )
$399.95
The Nitrous Express LS 102mm plate conversions feature a billet nitrous plate that fits all LS engine series intakes. These plates bolt between the throttle body and intake, making installation quick, easy, and attractive. The plates are pre-machined with a second set of nitrous and fuel passages—so you can easily upgrade to a dual-stage system later on. Order the nitrous oxide plate recommended for your vehicle and engine application.
Not Yet Reviewed
$405.50
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
Adding some extra horsepower to your engine, especially in racing applications, is often the job of a nitrous oxide system. Now you can quickly upgrade to a dual-stage package compatible with several Nitrous Express systems which are pre-machined with a second set of fuel and nitrous passages. These dual-stage kits allow you to boost power in stages to soften the punch of the nitrous, limiting excessive tire spin or violent chassis reaction. The Nitrous Express dual-stage upgrade for dual-stage throttle body plates kit includes: * Set of Lightning fuel and nitrous solenoids * Solenoid brackets * Billet Y fitting * Braided stainless steel lines * Plate fittings * Solenoid fittings and jetting for 50, 100, 150, 200, 250, 300, 350, and 400 hp
Not Yet Reviewed
$556.89
Ready to race? Nitrous Express LS plate conversion kits are an absolute "bang for the buck" power adder. You'll have the pills to jet, dyno tunes for each setting, and increased horsepower to the wheels. These kits feature billet plates with bolts to attach cleanly between the throttle body and intake. The conversion comes as a single-stage system; it includes jetting for multiple conversions, nitrous line, and rubber O-ring. You can trust Nitrous Express technology for the ultimate in atomization and distribution.
( 1 )
$405.50
Hella fuel pump module assemblies are built to high-quality standards, designed to be easily mounted, and are available in different styles to fit a large scale of applications. They will deliver higher efficiency and the precise fuel supply required for a partial or full load--saving fuel and reducing CO2 emissions. Choose the Hella fuel pump and sender assembly designed for your vehicle.
Not Yet Reviewed
$316.99
Delphi fuel pump module assemblies are nickel plated with all-steel internal components. They feature internal guide rod springs and external rubber feet for enhanced stability and reduced noise from vibration. These fuel pumps have little flow or pressure variation in hot fuel situations. Delphi fuel pump modules are designed to be OE replacements.
( 254 )
$293.99
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
