EFI Wiring Harness
  • 1986-93 GM 4.3/5.0/5.7/7.4L TBI


  • EFI Wiring Harness
  • 1985-89 GM 5.0L/5.7L TPI
  • Mass Air Flow

  • Painless Performance Products EFI Wiring Harness 1985-89 GM 5.0L/5.7L TPI


    EFI Wiring Harness
  • 1985-89 GM 5.0L/5.7L TPI
  • Mass Air Flow
  • With 4 Extra Feet Of Wiring
  • $614.99
    Estimated to ship directly from the manufacturer on 06/04/18
    FREE Shipping
    Lowest Price Guarantee

    EFI Wiring Harness
  • 1990-92 GM 5.0L/5.7L TPI
  • MAP Or Speed Density
  • Painless Performance Products EFI Wiring Harness 1990-92 GM 5.0L/5.7L TPI


    EFI Wiring Harness
  • 1990-92 GM 5.0L/5.7L TPI
  • MAP Or Speed Density
  • Requires VATS Module
    764-64023
  • $561.99
    Ships in 24hrs directly from the manufacturer
    FREE Shipping
    Lowest Price Guarantee

    Painless Performance Products EFI Wiring Harness 1990-92 GM 5.0L/5.7L TPI


    EFI Wiring Harness
  • 1990-92 GM 5.0L/5.7L TPI
  • MAP Or Speed Density
  • Requires VATS Module
    764-64023
  • With 4 Extra Feet Of Wiring
  • $614.99
    Ships in 24hrs directly from the manufacturer
    FREE Shipping
    Lowest Price Guarantee

    EFI Wiring Harness
  • 1996-99 GM Vortec 5.0L/5.7L V8


  • EFI Wiring Harness
  • 1996-99 GM Vortec 4.3L V6


  • EFI Wiring Harness
  • 1999-2006 GM Vortec 4.8/5.3/6.0L
  • Mechanical Throttle


  • EFI Wiring Harness
  • 2003-06 GM 4.8/5.3/6.0L

  • EFI Wiring Harness
  • 1992-97 GM LT1
  • Painless Performance Products EFI Wiring Harness 1992-1997 GM LT1


    EFI Wiring Harness
  • 1992-1997 Camaro, Firebird, Corvette, Roadmaster, Caprice, Impala 4.3L V8, 5.7L Sequential Fuel Injection
  • Includes VATS Module To Enable Use Of Stock ECU
  • Standard Length
  • $741.99
    Ships Today
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    Lowest Price Guarantee

    EFI Wiring Harness
  • 1992-97 GM LT1
  • Painless Performance Products EFI Wiring Harness 1992-97 GM LT1


    EFI Wiring Harness
  • 1992-97 GM LT1
  • Includes VATS Module To Enable Use Of Stock ECU
  • With 4 Extra Feet Of Wiring
  • $794.99
    Ships Today
    FREE Shipping
    Lowest Price Guarantee
    (1)

    EFI Wiring Harness
  • 1999-2002 GM LS1/LS6
  • Mechanical Throttle Body

  • Painless Performance Products EFI Wiring Harness 1998-2004 GM LS1/LS6


    EFI Wiring Harness
  • 1998-2004 GM LS1/LS6
  • With 4L60E or T-56 Transmission
  • Mechanical Throttle Body
  • With 4 Extra Feet Of Wiring
  • $715.99
    Ships Today
    FREE Shipping
    Lowest Price Guarantee
    (2)

    EFI Wiring Harness
  • 1997-2004 GM LS1/LS6
  • Throttle-by-Wire

  • EFI Wiring Harness
  • 1997-2004 GM LS1/LS6
  • Throttle-by-Wire
  • Painless Performance Products EFI Wiring Harness 1997-2004 GM LS1/LS6


    EFI Wiring Harness
  • 1997-2004 GM LS1/LS6
  • With 4L60E or T-56 Transmission
  • Throttle-by-Wire
  • With 4 Extra Feet Of Wiring
  • Includes Free ECM Reflash With Purchase
  • $768.99
    Estimated to ship directly from the manufacturer on 06/04/18
    FREE Shipping
    Lowest Price Guarantee

    EFI Wiring Harness
  • 2005-06 GM LS2
  • Throttle-by-Wire
  • Painless Performance Products EFI Wiring Harness 2005-06 GM LS2


    EFI Wiring Harness
  • 2005-06 GM LS2
  • With 24x Crank Reluctor & 2x Cam Reluctor
  • With 4L60E or T-56 Transmission
  • Throttle-by-Wire
  • $768.99
    Ships Today
    FREE Shipping
    Lowest Price Guarantee

    EFI Wiring Harness
  • 2006-08 GM LS2/LS3/LS7
  • Painless Performance Products EFI Wiring Harness 2006-08 GM LS2/LS3/LS7


    EFI Wiring Harness
  • 2006-08 GM LS2/LS3/LS7
  • With 4L65E, 4L70E, 4L80E, 4L85E Transmission
  • $1,006.99
    Ships in 24hrs directly from the manufacturer
    FREE Shipping
    Lowest Price Guarantee

    EFI Wiring Harness
  • 2007-13 GM Truck/SUV 4.8/5.3/6.0/6.2L

  • Integrated EFI & Chassis Wiring Harness
  • 1999-2006 GM 4.8/5.3/6.0L
  • Mechanical Throttle
  • Painless Performance Products Integrated EFI & Chassis Wiring Harness 1999-2006 GM 4.8/5.3/6.0L


    Integrated EFI & Chassis Wiring Harness
  • 1999-2006 GM 4.8/5.3/6.0L
  • Mechanical Throttle
  • 4L60-E Transmission
  • $1,536.99
    Estimated to ship directly from the manufacturer on 06/04/18
    FREE Shipping
    Lowest Price Guarantee

    Integrated EFI & Chassis Wiring Harness
  • 1997-2004 GM LS1/LS6
  • Cable Throttle Body

  • VATS (Vehicle Anti-Theft System) Module



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