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1940-62 GM Trucks LS Swap Parts

Looking to LS or LT swap your 1940-62 Classic Chevy or GMC truck? PSI can get you set up with everything you need to get your ride 'Wired up and Fired up!". From our Harnesses Made in the USA with high quality wire and different loom options to suit your needs, Our PCM tuning service where we can get you set up with a base tune for your engine and transmission, Engine & Transmission Mounts, Dakota Digital gauges, American Autowire Chassis Harnesses, Vintage Air Kits, Accessory Brackets, Oil Pans, ETC. 

  • 1947-53 Chevy Truck RTX Instrument system

  • 1940-46 Chevy Pickup VHX Instruments

  • 1955-59 Chevy Pickup HDX Instruments



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