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Enhance the performance and style of your 1973-87 Squarebody Chevy or GMC Truck with our extensive range of LS and LT swap products. From motor mounts tailored for 2WD and 4WD setups to exhaust headers and cold air intake kits, our products are designed to streamline your engine swap project. For those looking to refine their truck’s look and function, we also offer VHX, HDX, and RTX gauge clusters, steel gas tanks, radiators with electric fans, and Vintage Air A/C kits to keep your truck cool.
And if performance handling is on your list, check out our C10 lowering kits and transmission crossmembers. Whether your goal is to increase power, improve drivability, or achieve a customized appearance, our parts make it easy to transform your Squarebody into a modernized classic.
Yes, we offer motor mounts designed to support both LS and LT engine swaps for the 1973-87 Squarebody models.
Our gauge clusters are compatible with LS and LT standalone wiring harnesses, and some modifications may be required for use with factory wiring.
The lowering kits include front and rear springs designed to drop your C10’s height by 4.5 inches in the front and 6 inches in the rear, providing a sleek, lowered stance.
Yes, our steel gas tank kits include the tank, pump, sender, and necessary straps for installation, making it easier to get your fuel system running.
We offer crossmembers compatible with popular transmissions, including 4L60/80, 6L80, and T56, tailored for 2WD C10 applications.
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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!
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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