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  • PSI '07 - '08 LY6 (6.0L)/L92 (6.2L) STANDALONE WIRING HARNESS W/T56/TR6060 Without VVT
    PSI Conversions
    PSI '07 - '08 LY6 (6.0L)/L92 (6.2L) STANDALONE WIRING HARNESS W/T56/TR6060 Without VVT
    $569.00
    PSI Conversions
    In stock
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  • PSI '10 - '13 L99 (6.2L) STANDALONE WIRING HARNESS W/6L80E
    PSI Conversions
    PSI '10 - '13 L99 (6.2L) STANDALONE WIRING HARNESS W/6L80E
    $719.00
    PSI Conversions
    In stock
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  • PSI '09 - '13 LH6/LY5/LMG/LH8 (5.3L) STANDALONE WIRING HARNESS W/4Lxx
    PSI Conversions
    PSI '09 - '13 LH6/LY5/LMG/LH8 (5.3L) STANDALONE WIRING HARNESS W/4Lxx
    $659.00
    PSI Conversions
    In stock
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  • PSI '09 - '13 LY6 (6.0L)/ L92 (6.2L) STANDALONE WIRING HARNESS W/6L80E
    PSI Conversions
    PSI '09 - '13 LY6 (6.0L)/ L92 (6.2L) STANDALONE WIRING HARNESS W/6L80E
    $719.00
    PSI Conversions
    In stock
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  • PSI ‘97 - ‘04 LS1 LS6 & '99 - '06 Vortec (DBC) w/ 4L60E or 4L80E w/ EV1 Injectors & 5 pin MAF Standalone Harness
    PSI Conversions
    PSI ‘97 - ‘04 LS1 LS6 & '99 - '06 Vortec (DBC) w/ 4L60E or 4L80E w/ EV1 Injectors & 5 pin MAF Standalone Harness
    $549.00
    PSI Conversions
    In stock
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  • PSI '03 - '07 Vortec (DBW) w/ 4L60E or 4L80E w/ 5 pin MAF Standalone Harness
    PSI Conversions
    PSI '03 - '07 Vortec (DBW) w/ 4L60E or 4L80E w/ 5 pin MAF Standalone Harness
    $819.99
    PSI Conversions
    In stock
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  • PSI '99 - '06 Vortec (DBC) W/ 4L60e Or 4L80e W/ Multec Injectors & 5 Pin Maf Standalone Harness
    PSI Conversions
    PSI '99 - '06 Vortec (DBC) W/ 4L60e Or 4L80e W/ Multec Injectors & 5 Pin Maf Standalone Harness
    $789.00
    PSI Conversions
    In stock
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  • PSI '08 - '14 LS3 (6.2l) W/ 6l80e Standalone Harness
    PSI Conversions
    PSI '08 - '14 LS3 (6.2l) W/ 6l80e Standalone Harness
    $719.00
    PSI Conversions
    In stock
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  • PSI '07 - '08 LY6 (6.0L)/L92 (6.2L) w/ 4L60E or 4l80E Standalone Harness
    PSI Conversions
    PSI '07 - '08 LY6 (6.0L)/L92 (6.2L) w/ 4L60E or 4l80E Standalone Harness
    $659.00
    PSI Conversions
    In stock
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  • FAST Air/Fuel Meter w/Dual Oxygen Sensors
    FAST
    FAST Air/Fuel Meter w/Dual Oxygen Sensors
    $586.95
    FAST
    In stock
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  • HP Tuners Gen IV LS Drive-by-Wire EFI Wiring Harness 58x
    HP Tuners
    HP Tuners Gen IV LS Drive-by-Wire EFI Wiring Harness 58x
    $949.99
    HP Tuners
    In stock
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  • HOLLEY EFI 6.86" STANDALONE PRO DASH
    Holley
    HOLLEY EFI 6.86" STANDALONE PRO DASH
    $1,499.95
    Holley
    In stock
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  • Haltech IC-7 Digital Dash Kit
    Haltech
    Haltech IC-7 Digital Dash Kit
    $1,195.00
    Haltech
    In stock
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  • HOLLEY EFI CAN INPUT/OUTPUT MODULE KIT
    Holley
    HOLLEY EFI CAN INPUT/OUTPUT MODULE KIT
    (10.2% OFF)
    Special Price $448.95 Regular Price $499.95
    Holley
    In stock
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  • Holley Gen III Hemi Coil Harness - Late Coils
    Holley
    Holley Gen III Hemi Coil Harness - Late Coils
    (10% OFF)
    Special Price $179.95 Regular Price $199.95
    Holley
    In stock
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  • TSP Standalone Wiring Harness for Drive-by-Wire LY6/L92 with 4L80E
    Top Street Performance
    TSP Standalone Wiring Harness for Drive-by-Wire LY6/L92 with 4L80E
    $482.99
    Top Street Performance
    In stock
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  • LS1 to LS2 Cam Sensor Retrofit Harness
    Racetronix
    LS1 to LS2 Cam Sensor Retrofit Harness
    $26.99
    Racetronix
    In stock
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  • Racetronix LS1 to LS2 Knock Sensor Retrofit Harness
    Racetronix
    Racetronix LS1 to LS2 Knock Sensor Retrofit Harness
    $30.99
    Racetronix
    In stock
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  • Racetronix LS2 MAP Sensor Harness Extension 24"
    Racetronix
    Racetronix LS2 MAP Sensor Harness Extension 24"
    $25.00
    Racetronix
    In stock
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  • Racetronix 1998 LS1 F-Body Harness Only
    Racetronix
    Racetronix 1998 LS1 F-Body Harness Only
    $91.99
    Racetronix
    In stock
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  • Harness Adapter for LS2 Throttle Body on LS1 Vehicle
    Racetronix
    Harness Adapter for LS2 Throttle Body on LS1 Vehicle
    $59.99
    Racetronix
    In stock
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  • Racetronix LS1 to LS2/3 Cam Sensor Retrofit Harness
    Racetronix
    Racetronix LS1 to LS2/3 Cam Sensor Retrofit Harness
    $26.99
    Racetronix
    In stock
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  • Fuel Injector Harness Adaptors, MINITIMER TO USCAR
    Racetronix
    Fuel Injector Harness Adaptors, MINITIMER TO USCAR
    $7.95
    Racetronix
    In stock
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  • 1999-2006 GM Gen III 4.8, 5.3 & 6.0L Harness Std. Length
    Painless Performance Products
    1999-2006 GM Gen III 4.8, 5.3 & 6.0L Harness Std. Length
    $599.99
    Painless Performance Products
    In stock
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Items 25-48 of 217