PSI-C10-TSHIRT | PSI T-SHIRT

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- 02/23/2025
  
  Nice shirt
  
  I like this shirt good quality and colors!!
  I’ll have to look at more
  Psi have been there for any question great company
  
  JeffM
- 11/22/2022
  
  Psi is the way to go
  
  6.2 6l80 kit was perfect and direct to the point of correct routing and connections. Works well for the application. Paddle shift capable is wonderful
  
  Hot rod
- 05/03/2022
  
  PSI is the best
  
  I bought everything for my build. Best service price is fair. Dont let me forget gstoddard@psiconversion.com this man helped me so much always answered my emails the best. Thank you PSI
  
  Andres Garza
Applications

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 and are 100% Computer Quality Tested. 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!

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PSI C10 T-Shirt - Wire It Up And Fire It Up!

PSI C10 T-Shirt - Wire It Up And Fire It Up!

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