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Our Chassis Wiring kits provide everything you need to modernize your classic Chevy's electrical system, especially when performing an LS swap. Tailored specifically for 1955-56 and 1957 Chevy passenger cars, these Classic Update Kits include all the wiring, connectors, and components required to support modern electrical demands while maintaining the original aesthetic.
These kits ensure compatibility with LS conversion setups, making it easier to integrate upgraded components like fuel injection, gauges, and more.
Yes, these wiring kits are specifically designed to support modern upgrades, including LS engine swaps, ensuring seamless integration of your new powertrain.
Each kit includes pre-terminated wiring, connectors, and components for all major systems, including lighting, gauges, and fuel systems, along with modern provisions for LS swaps.
Absolutely. The Classic Update Kits are compatible with aftermarket gauges, air conditioning, fuel systems, and other modern accessories often used in LS swaps.
Yes, the kits are designed with provisions for electronic fuel injection (EFI), making them ideal for LS and other modern engine swaps.
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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
Post sale tech support:
techsupport@psiconversion.com