PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI (PERFORMANCE SYSTEMS INTEGRATION)
We specialize in the design and manufacture of Standalone Wiring Harnesses for GM Gen II, III, and IV LS 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 and LS7 Engines. In addition to wiring harnesses, you will find other components and kits for retrofitting older vehicles with these powertrains including 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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BRAND-	ITEM	Model	Price
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LS Wiring Harness, 58X (GM 6.2L LS3 w/ 6L80E)	HAR-1086	$719.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LS Wiring Harness, 58X (GM 6.2L LS9 w/ 6L80E & 6L90E)	HAR-1096	$1,279.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LS Wiring Harness, 58X (GM 6.2L LS9 w/ T56 & TR6060)	HAR-1097	$1,199.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LT Engine Controller Kit (GM 6.2L LT1 & LT4)	KIT-LT1	$1,815.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LT Wiring Harness (1992-1996 GM 5.7L LT1 & LT4 w/ 4L60E)	HAR-1005	$599.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LT Wiring Harness (GM 6.2L LT1, 5.3L L83, L84, 6.2L L86 & L87)	HAR-LT1	$899.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion LT Wiring Harness (GM 6.2L LT5)	HAR-LT4	$899.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion Vortec Engine Controller Kit (1999-2003 GM 4.8L, 5.3L, 5.7L, 6.0L & 6.2L V8 w/ 4L60E & 4L80E)	KIT-GEN3-DBC-AUTO	$1,099.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion Vortec Engine Controller Kit (1999-2003 GM 4.8L, 5.3L, 5.7L, 6.0L & 6.2L V8 w/ 4L60E & 4L80E)	KIT-GEN3-DBW-AUTO	$1,499.00 Add:
PSI (PERFORMANCE SYSTEMS INTEGRATION)	PSI Conversion Vortec Engine Controller Kit (1999-2003 GM 4.8L, 5.3L, 5.7L, 6.0L & 6.2L V8 w/ 700R4, T5, T56, TH350 & TH400)	KIT-GEN3-DBC-MAN	$1,099.00 Add: