Availability
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
Precision—that's what matters most when it comes to fuel delivery. With high-flow Velocity fuel injectors from Top Street Performance, you can expect reliable delivery of the precise amount of fuel every time. Velocity fuel injectors assembled with top-quality parts and trusted techniques. They're available for fitment with a variety of LS and Coyote engine intakes and rails. Order the set recommended for your application.
Not Yet Reviewed
$339.99
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$499.99
Top Street Performance offers fuel rail mounting brackets that come with the hardware necessary to mount your TSP Velocity fuel rails to its matching cathedral-port intake manifold. Order the kit designed to fit your application.
( 2 )
$16.04
Top Street Performance throttle body harness adapters for GM LS1 to LS2 applications will help you complete your Velocity intake set-up. They convert the 8-pin GM LS1-style harness to the 6-pin LS2-style throttle body plug.
( 2 )
$29.62
Featuring CNC-machined aluminum housings, TSP Velocity large throttle bodies provide maximum airflow for mid to high-range hp engines. Combined with a Top Street Performance fabricated intake manifold, they'll give your street or strip car a cosmetic and performance boost guaranteed to turn heads. For a great and economical way to increase the overall performance of your LSX engine, order the Top Street Performance throttle bodies best suited for your LS application. More product features include: * GM LS style 4-bolt pattern and drive-by-wire or cable design (depending on application) * Intended for stock idle air control motor and throttle position sensor * Available in different sizes and finishes
( 1 )
$185.18
With the custom design of Top Street Performance fabricated intake manifolds, you'll need a set of their billet aluminum fuel rails. They've been designed to support high-pressure fuel systems in high horsepower applications—and come complete with -8 AN fittings, mounting hardware, and a durable, braided middle pipe. Available in black and silver, the fuel rails will match whichever manifold you choose. Order the model recommended for your year/make and engine application.
Not Yet Reviewed
$160.48
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