My Cart
Upgrade your classic Chevy truck with top-tier LS swap components designed for seamless installation and enhanced performance. Whether you're working on a 1955-59 model or a 1973-87 truck, our comprehensive product lineup includes drive-by-wire throttle pedal brackets, LSX radiators with electric fans, and steel gas tank kits. For precision monitoring, our VHX and RTX gauge clusters provide a stylish and functional dashboard upgrade.
Additionally, we offer motor mount adapters for V6 to LS conversions and other essential components to ensure a reliable, high-performance LS swap in your Chevy truck.
A drive-by-wire throttle pedal provides a smoother throttle response and allows for more precise control of the engine's power, making it ideal for modern engine swaps.
In most cases, our motor mount adapters allow for a straightforward installation of an LS engine without significant frame modifications. Be sure to check product details for specific model compatibility.
The gas tank kit typically includes the tank, pump, sender, and mounting straps, providing everything you need for a fuel system upgrade in your LS swap.
These modern gauge clusters provide accurate and clear readings for vital engine functions, enhancing both the style and functionality of your truck’s dashboard.
About
Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!
My Account
Contacts
2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
techsupport@psiconversion.com