EFI Wiring Harness
  • 1986-93 GM 4.3/5.0/5.7/7.4L TBI
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1986-93 GM 4.3/5.0/5.7/7.4L
  • TBI
  • $489.99
    Ships Today
    FREE Shipping
    (1)

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1986-93 GM 4.3/5.0/5.7/7.4L
  • TBI
  • With 4 Extra Feet Of Wiring
  • $539.99
    Ships in 24hrs
    FREE Shipping

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


    EFI Wiring Harness
  • 1985-89 GM 5.0L/5.7L TPI
  • Mass Air Flow
  • $529.99
    Ships Today
    FREE Shipping

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1985-89 GM 5.0L/5.7L TPI
  • Mass Air Flow
  • With 4 Extra Feet Of Wiring
  • $579.99
    Ships 08/02/16
    FREE Shipping

    EFI Wiring Harness
  • 1990-92 GM 5.0L/5.7L TPI
  • MAP Or Speed Density
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1990-92 GM 5.0L/5.7L TPI
  • MAP Or Speed Density
  • Requires VATS Module
    764-64023
  • $529.99
    Ships Today
    FREE Shipping

    Painless GM Fuel Injection Wiring Harnesses


    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
  • $579.99
    Ships in 24hrs
    FREE Shipping

    EFI Wiring Harness
  • 1996-99 GM Vortec 5.0L/5.7L V8
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1996-99 GM Vortec 5.0L/5.7L V8
  • $774.99
    Ships Today
    FREE Shipping
    (1)

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1996-99 GM Vortec 5.0L/5.7L V8
  • With 4 Extra Feet Of Wiring
  • $824.99
    Ships Today
    FREE Shipping

    EFI Wiring Harness
  • 1996-99 GM Vortec 4.3L V6
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1996-99 GM Vortec 4.3L V6
  • $849.99
    Ships in 24hrs
    FREE Shipping

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1996-99 GM Vortec 4.3L V6
  • With 4 Extra Feet Of Wiring
  • $899.99
    Ships in 24hrs
    FREE Shipping

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


    EFI Wiring Harness
  • 1999-2006 GM Vortec 4.8/5.3/6.0L
  • Mechanical Throttle
  • Includes Free ECM Reflash With Purchase
  • $674.99
    Ships Today
    FREE Shipping
    (2)

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1999-2006 GM Vortec 4.8/5.3/6.0L
  • Mechanical Throttle
  • With 4 Extra Feet Of Wiring
  • Includes Free ECM Reflash With Purchase
  • $724.99
    Ships in 24hrs
    FREE Shipping

    EFI Wiring Harness
  • 2000-02 GM Vortec 4.8/5.3/6.0L
  • Throttle-by-Wire
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 2000-02 GM Vortec 4.8/5.3/6.0L
  • Throttle-by-Wire
  • Not For Flex Fuel Engines
  • $808.99
    Ships 08/02/16
    FREE Shipping

    EFI Wiring Harness
  • 2003-06 GM 4.8/5.3/6.0L
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 2003-06 GM 4.8/5.3/6.0L
  • Throttle-by-Wire
  • Using Factory ECM
  • Will Work With Flex Fuel Engines
  • Includes Free ECM Reflash With Purchase
  • $949.99
    Ships Today
    FREE Shipping

    EFI Wiring Harness
  • 1992-97 GM LT1
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1992-97 GM LT1
  • Includes VATS Module To Enable Use Of Stock ECU
  • $699.99
    Ships Today
    FREE Shipping

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1992-97 GM LT1
  • Includes VATS Module To Enable Use Of Stock ECU
  • With 4 Extra Feet Of Wiring
  • $749.99
    Ships Today
    FREE Shipping
    (1)

    EFI Wiring Harness
  • 1999-2002 GM LS1/LS6
  • Mechanical Throttle Body
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1999-2002 GM LS1/LS6
  • With 4L60E or T-56 Transmission
  • Mechanical Throttle Body
  • Includes Free ECM Reflash With Purchase
  • $624.99
    Ships Today
    FREE Shipping

    Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1999-2002 GM LS1/LS6
  • With 4L60E or T-56 Transmission
  • Mechanical Throttle Body
  • With 4 Extra Feet Of Wiring
  • Includes Free ECM Reflash With Purchase
  • $674.99
    Ships Today
    FREE Shipping
    (1)

    EFI Wiring Harness
  • 1997-2004 GM LS1/LS6
  • Throttle-by-Wire
  • Painless GM Fuel Injection Wiring Harnesses


    EFI Wiring Harness
  • 1997-2004 GM LS1/LS6
  • With 4L60E or T-56 Transmission
  • Throttle-by-Wire
  • Includes Free ECM Reflash With Purchase
  • $674.99
    Ships Today
    FREE Shipping
    (1)

    Painless GM Fuel Injection Wiring Harnesses


    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
  • $724.99
    Ships in 24hrs
    FREE Shipping