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PSI (PERFORMANCE SYSTEMS INTEGRATION)





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!




BRAND- ITEM Model Price
PSI Conversion LS Engine Controller Kit (GM 6.2L LS3 w/ 6L80E & 6L90E) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Engine Controller Kit (GM 6.2L LS3 w/ 6L80E & 6L90E)

KIT-1071 $1,499.00

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PSI Conversion LS Engine Controller Kit (GM LS3 w/ T56 & TR6060) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Engine Controller Kit (GM LS3 w/ T56 & TR6060)

KIT-1037 $1,399.00

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PSI Conversion LS Wiring Harness, 24X & 58X (2006-2013 GM LS2 & LS3 w/ 4L60E) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X & 58X (2006-2013 GM LS2 & LS3 w/ 4L60E)

HAR-1058 $589.00

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PSI Conversion LS Wiring Harness, 24X & 58X (2006-2013 GM LS2 & LS3 w/ 4L60E) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X & 58X (2006-2013 GM LS2 & LS3 w/ 4L60E)

HAR-1054 $589.00

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PSI Conversion LS Wiring Harness, 24X (1997-2002 GM LS1 w/ 4L60E) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X (1997-2002 GM LS1 w/ 4L60E)

HAR-1012 $549.00

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PSI Conversion LS Wiring Harness, 24X (1997-2002 GM LS1 w/ T56 & TR6060) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X (1997-2002 GM LS1 w/ T56 & TR6060)

HAR-1013 $549.00

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PSI Conversion LS Wiring Harness, 24X (1997-2004 GM LS1 w/ 4L60E) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X (1997-2004 GM LS1 w/ 4L60E)

HAR-1016 $599.00

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PSI Conversion LS Wiring Harness, 24X (1997-2004 GM LS1 w/ T56 & TR6060) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X (1997-2004 GM LS1 w/ T56 & TR6060)

HAR-1017 $599.00

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PSI Conversion LS Wiring Harness, 24X (2005-2006 GM LS2 w/ 4L60E) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X (2005-2006 GM LS2 w/ 4L60E)

HAR-1094 $699.00

Add:

PSI Conversion LS Wiring Harness, 24X (2005-2006 GM LS2 w/ T56 & TR6060) PSI (PERFORMANCE SYSTEMS INTEGRATION)

PSI Conversion LS Wiring Harness, 24X (2005-2006 GM LS2 w/ T56 & TR6060)

HAR-1095 $599.00

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