Shop Holley Wiring Harness for My LS 6.0

Sponsored
$1,525.55
Holley 550-903 Terminator X LS1/LS6 MPFI Kit W/Pigtail/CAN Cable
Speedway Motors
$1,525.55
Holley 550-903 Terminator X LS1/LS6 MPFI Kit W/Pigtail/CAN Cable
Speedway Motors
$766.95
Holley EFI Terminator X Service ECU Compatible With Terminator X Harnesses 554-152
Holley Performance Products
$766.95
Holley EFI Terminator X Service ECU Compatible With Terminator X Harnesses 554-152
Holley Performance Products
$617.95
$695.95
Holley EFI 558-133 LS1/6 (24X/1X) Engine Main Harness, Extended
Speedway Motors
1
11% off
$617.95
$695.95
Holley EFI 558-133 LS1/6 (24X/1X) Engine Main Harness, Extended
Speedway Motors
$494.99
$543.99
JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
JEGS High Performance
Free shipping
$494.99
$543.99
JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
JEGS High Performance
$100.00
1999-2006 Premium 4L60e To 4L80e Transmission Plug And Play Adapter Harness LS Swap
Michigan Motorsports
$100.00
1999-2006 Premium 4L60e To 4L80e Transmission Plug And Play Adapter Harness LS Swap
Michigan Motorsports
$195.95
Holley 558-203: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$195.95
Holley 558-203: Holley EFI Systems Wiring Harnesses
Summit Racing
$137.95
Holley EFI - Pro Dash Service Harness Replacement Harness For Holley EFI Pro Dashes - 553-111 And 553-112 558-446
Holley Performance Products
$137.95
Holley EFI - Pro Dash Service Harness Replacement Harness For Holley EFI Pro Dashes - 553-111 And 553-112 558-446
Holley Performance Products
$580.95
Holley 558-101: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$580.95
Holley 558-101: Holley EFI Systems Wiring Harnesses
Summit Racing
$462.95
Holley 558-140: Holley EFI Systems Main Wiring Harnesses
Summit Racing
Free shipping
$462.95
Holley 558-140: Holley EFI Systems Main Wiring Harnesses
Summit Racing
$527.95
Holley EFI LT4 Engine Main Harness For Use With Terminator X - Requires V3 Software 558-130
Holley Performance Products
$527.95
Holley EFI LT4 Engine Main Harness For Use With Terminator X - Requires V3 Software 558-130
Holley Performance Products
$617.95
Holley Extended Length Main Harness For GM LS1, LS6 Engines W/Holley HP Or Dominator EFI (24X Crank Reluctor)
JEGS High Performance
1
Free shipping
$617.95
Holley Extended Length Main Harness For GM LS1, LS6 Engines W/Holley HP Or Dominator EFI (24X Crank Reluctor)
JEGS High Performance
$527.95
Holley 558-130: Holley EFI Systems Main Wiring Harnesses
Summit Racing
Free shipping
$527.95
Holley 558-130: Holley EFI Systems Main Wiring Harnesses
Summit Racing
$183.95
Holley 558-306: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$183.95
Holley 558-306: Holley EFI Systems Wiring Harnesses
Summit Racing
$229.95
Holley 558-439: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$229.95
Holley 558-439: Holley EFI Systems Wiring Harnesses
Summit Racing
$338.95
Holley 558-411: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$338.95
Holley 558-411: Holley EFI Systems Wiring Harnesses
Summit Racing
$527.95
Holley EFI Gen V LT Engine Main Harness For Use With Terminator X 558-129
Holley Performance Products
$527.95
Holley EFI Gen V LT Engine Main Harness For Use With Terminator X 558-129
Holley Performance Products
$179.95
Holley 558-321: Holley LS Coil Harnesses
Summit Racing
17
Free shipping
$179.95
Holley 558-321: Holley LS Coil Harnesses
Summit Racing
$1,939.95
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines And LS2/LS3 58X Crank - 4X Cam - EV1 Injectors - Drive-By-Wire Throttle Body And Tr
Holley Performance Products
$1,939.95
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines And LS2/LS3 58X Crank - 4X Cam - EV1 Injectors - Drive-By-Wire Throttle Body And Tr
Holley Performance Products
$1,411.95
$1,588.95
Holley 550-903T Terminator X LS1 MPFI Kit
Speedway Motors
1
11% off
$1,411.95
$1,588.95
Holley 550-903T Terminator X LS1 MPFI Kit
Speedway Motors
$260.95
Holley EFI Terminator X DBW Harness - GM GEN V LTX For Ltx Throttle Bodies And Terminator X And X Max Ecus 558-468
Holley Performance Products
$260.95
Holley EFI Terminator X DBW Harness - GM GEN V LTX For Ltx Throttle Bodies And Terminator X And X Max Ecus 558-468
Holley Performance Products
$521.99
$563.99
JEGS GM LS Stand Alone Wire Harness 1999-2006 4.8-8.1L GM Vortec V8 With 4L60E/4L80E Transmission
JEGS High Performance
Free shipping
$521.99
$563.99
JEGS GM LS Stand Alone Wire Harness 1999-2006 4.8-8.1L GM Vortec V8 With 4L60E/4L80E Transmission
JEGS High Performance
$145.95
Holley 558-432: Holley EFI Digital Dash Replacement Wiring Harnesses
Summit Racing
1
Free shipping
$145.95
Holley 558-432: Holley EFI Digital Dash Replacement Wiring Harnesses
Summit Racing
$1,999.95
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines And LS2/LS3 58X Crank - 4X Cam - EV6 Injectors - Drive-By-Wire Throttle Body And Tr
Holley Performance Products
10
$1,999.95
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines And LS2/LS3 58X Crank - 4X Cam - EV6 Injectors - Drive-By-Wire Throttle Body And Tr
Holley Performance Products
$1,427.95
$1,627.95
Holley Terminator X MPFI Controller Kit For GM Truck Engines GEN IV 4.8/5.3/6.0 & LS2 LS3 58X Crank 4X Cam With DBC EV1 - Treperformance.Com
Tre Performance Store
1
Free shipping
12% off
$1,427.95
$1,627.95
Holley Terminator X MPFI Controller Kit For GM Truck Engines GEN IV 4.8/5.3/6.0 & LS2 LS3 58X Crank 4X Cam With DBC EV1 - Treperformance.Com
Tre Performance Store
$151.95
Holley Sniper 558-490: Holley Sniper EFI Main Wiring Harnesses
Summit Racing
1
Free shipping
$151.95
Holley Sniper 558-490: Holley Sniper EFI Main Wiring Harnesses
Summit Racing
$57.35
Holley 558-463: Holley Terminator X Wideband Adapter Harnesses
Summit Racing
1
$57.35
Holley 558-463: Holley Terminator X Wideband Adapter Harnesses
Summit Racing
$149.95
Holley 21-3: Holley LS Engine Accessory Drive Kits
Summit Racing
21
Free shipping
$149.95
Holley 21-3: Holley LS Engine Accessory Drive Kits
Summit Racing
$79.75
Holley 558-475: Holley EFI Alternator Harnesses
Summit Racing
$79.75
Holley 558-475: Holley EFI Alternator Harnesses
Summit Racing
$907.95
Holley EFI Harness Kit GM LS1/6
JEGS High Performance
Free shipping
$907.95
Holley EFI Harness Kit GM LS1/6
JEGS High Performance
$158.01
$199.89
Wiring Harness 6.2 L, TR6060 T56 58X DBWZ, Compatible For LS3 LS2 Engine 2006-2015, LS Swap Ls Swap Parts,Hot Rod Parts, Harness, Stand Alone
Temu US
20% off
$158.01
$199.89
Wiring Harness 6.2 L, TR6060 T56 58X DBWZ, Compatible For LS3 LS2 Engine 2006-2015, LS Swap Ls Swap Parts,Hot Rod Parts, Harness, Stand Alone
Temu US
$363.95
Holley 558-434: Holley EFI Digital Dash I/O Adapter With Wiring Harness Kits
Summit Racing
Free shipping
$363.95
Holley 558-434: Holley EFI Digital Dash I/O Adapter With Wiring Harness Kits
Summit Racing
$48.32
Holley 558-420: Holley Terminator EFI Wiring Harnesses
Summit Racing
2
$48.32
Holley 558-420: Holley Terminator EFI Wiring Harnesses
Summit Racing
$363.95
Holley EFI - Digital Dash I/O Adapter W/Terminated Vehicle Harness Digital Dash I/O Adapter With Terminated Vehicle Harness 558-434
Holley Performance Products
$363.95
Holley EFI - Digital Dash I/O Adapter W/Terminated Vehicle Harness Digital Dash I/O Adapter With Terminated Vehicle Harness 558-434
Holley Performance Products
$3,170.95
$3,370.95
Holley HP EFI ECU And Harness Kit For LS1 LS6 24X With EV1 Connectors - Treperformance.Com
Tre Performance Store
Free shipping
$3,170.95
$3,370.95
Holley HP EFI ECU And Harness Kit For LS1 LS6 24X With EV1 Connectors - Treperformance.Com
Tre Performance Store
$115.95
Holley 558-305: Holley EFI Systems Wiring Harnesses
Summit Racing
10
Free shipping
$115.95
Holley 558-305: Holley EFI Systems Wiring Harnesses
Summit Racing
$45.87
Holley 570-304: Holley Wiring Harness Connectors
Summit Racing
$45.87
Holley 570-304: Holley Wiring Harness Connectors
Summit Racing

Shop Holley Wiring Harness for My LS 6.0

Sponsored
$1,525.55
Holley 550-903 Terminator X LS1/LS6 MPFI Kit W/Pigtail/CAN Cable
Speedway Motors
$1,525.55
Holley 550-903 Terminator X LS1/LS6 MPFI Kit W/Pigtail/CAN Cable
Speedway Motors
$766.95
Holley EFI Terminator X Service ECU Compatible With Terminator X Harnesses 554-152
Holley Performance Products
$766.95
Holley EFI Terminator X Service ECU Compatible With Terminator X Harnesses 554-152
Holley Performance Products
$617.95
$695.95
Holley EFI 558-133 LS1/6 (24X/1X) Engine Main Harness, Extended
Speedway Motors
1
11% off
$617.95
$695.95
Holley EFI 558-133 LS1/6 (24X/1X) Engine Main Harness, Extended
Speedway Motors
$494.99
$543.99
JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
JEGS High Performance
Free shipping
$494.99
$543.99
JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
JEGS High Performance
$100.00
1999-2006 Premium 4L60e To 4L80e Transmission Plug And Play Adapter Harness LS Swap
Michigan Motorsports
$100.00
1999-2006 Premium 4L60e To 4L80e Transmission Plug And Play Adapter Harness LS Swap
Michigan Motorsports
$195.95
Holley 558-203: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$195.95
Holley 558-203: Holley EFI Systems Wiring Harnesses
Summit Racing
$137.95
Holley EFI - Pro Dash Service Harness Replacement Harness For Holley EFI Pro Dashes - 553-111 And 553-112 558-446
Holley Performance Products
$137.95
Holley EFI - Pro Dash Service Harness Replacement Harness For Holley EFI Pro Dashes - 553-111 And 553-112 558-446
Holley Performance Products
$580.95
Holley 558-101: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$580.95
Holley 558-101: Holley EFI Systems Wiring Harnesses
Summit Racing
$462.95
Holley 558-140: Holley EFI Systems Main Wiring Harnesses
Summit Racing
Free shipping
$462.95
Holley 558-140: Holley EFI Systems Main Wiring Harnesses
Summit Racing
$527.95
Holley EFI LT4 Engine Main Harness For Use With Terminator X - Requires V3 Software 558-130
Holley Performance Products
$527.95
Holley EFI LT4 Engine Main Harness For Use With Terminator X - Requires V3 Software 558-130
Holley Performance Products
$617.95
Holley Extended Length Main Harness For GM LS1, LS6 Engines W/Holley HP Or Dominator EFI (24X Crank Reluctor)
JEGS High Performance
1
Free shipping
$617.95
Holley Extended Length Main Harness For GM LS1, LS6 Engines W/Holley HP Or Dominator EFI (24X Crank Reluctor)
JEGS High Performance
$527.95
Holley 558-130: Holley EFI Systems Main Wiring Harnesses
Summit Racing
Free shipping
$527.95
Holley 558-130: Holley EFI Systems Main Wiring Harnesses
Summit Racing
$183.95
Holley 558-306: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$183.95
Holley 558-306: Holley EFI Systems Wiring Harnesses
Summit Racing
$229.95
Holley 558-439: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$229.95
Holley 558-439: Holley EFI Systems Wiring Harnesses
Summit Racing
$338.95
Holley 558-411: Holley EFI Systems Wiring Harnesses
Summit Racing
Free shipping
$338.95
Holley 558-411: Holley EFI Systems Wiring Harnesses
Summit Racing
$527.95
Holley EFI Gen V LT Engine Main Harness For Use With Terminator X 558-129
Holley Performance Products
$527.95
Holley EFI Gen V LT Engine Main Harness For Use With Terminator X 558-129
Holley Performance Products
$179.95
Holley 558-321: Holley LS Coil Harnesses
Summit Racing
17
Free shipping
$179.95
Holley 558-321: Holley LS Coil Harnesses
Summit Racing
$1,939.95
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines And LS2/LS3 58X Crank - 4X Cam - EV1 Injectors - Drive-By-Wire Throttle Body And Tr
Holley Performance Products
$1,939.95
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines And LS2/LS3 58X Crank - 4X Cam - EV1 Injectors - Drive-By-Wire Throttle Body And Tr
Holley Performance Products
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