HOLLEY MID-RISE INTAKE MANIFOLD LS1/LS2/LS6 CATHEDRAL PORT HEADS 105MM THROTTLE BODY

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!

2029 Route 88
Brick, NJ 08724
ph. 732-444-3277 Mon-Fri: 8:00am to 5:00pm ET
sales@psiconversion.com  
customerservice@psiconversion.com 
techsupport@psiconversion.com