Collection:
PAINLESS PERFORMANCE
25 products
1998-2004 GM LS1/LS6 EFI Harness
Regular price
$569.99
Sale price
$569.99
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/per
Engine: 5.7L LS1 / LS6 w/ Cable Throttle BodyTrans.: 4L60E, 4L65E, 4L80E, T-56
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to...
2008+ Gen IV LS3 EFI Harness - Throttle By Wire
Regular price
$762.99
Sale price
$762.99
Regular price
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Engine: LS3Trans.: 4L65E
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, ge...
2007-2012 GM Gen IV 4.8-6.2L EFI Harness - Throttle by Wire
Regular price
$830.99
Sale price
$830.99
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/per
Engine: 4.8, 5.3, 6.0, 6.2LTrans.: 4L65E
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & trans...
1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness Extra Length - Mechanical TB P/N 60218
Regular price
$659.99
Sale price
$659.99
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Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone...
2003-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Throttle by Wire
Regular price
$725.99
Sale price
$725.99
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/per
Engine: 4.8L, 5.3L, 6.0L w/ Throttle By WireTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harness...
1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness - Mechanical TB
Regular price
$599.99
Sale price
$599.99
Regular price
Unit price
/per
Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone...
28 Circuit Classic-Plus Customizable Chassis Harness -GM Keyed Column
Regular price
$365.99
Sale price
$365.99
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/per
Year: UniversalMake: UniversalModel: UniversalEngine: Carbureted or Any Stand Alone Fuel InjectionTrans.: Any
Looking for connectors to be included as well as a newly updated design? Check out the ...
21 Circuit Classic Customizable Chassis Harness - GM Keyed Column
Regular price
$310.99
Sale price
$310.99
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Year: UniversalMake: UniversalModel: UniversalEngine: Carbureted or Any Stand Alone Fuel InjectionTrans.: Any
This Painless Performance 21 circuit chassis harness is our most widely used customizab...
23 Circuit - Pro Series - Key In Dash - Grommet Firewall Pass-Through
Regular price
$544.99
Sale price
$544.99
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Year: UniversalMake: GMModel: UniversalEngine: AnyTrans.: Any
The ALL NEW Pro Series line by Painless
The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ri...
23 Circuit - Pro Series - GM Keyed Column – Grommet Firewall Pass-Through
Regular price
$544.99
Sale price
$544.99
Regular price
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/per
Year: UniversalMake: GMModel: UniversalEngine: AnyTrans.: Any
The ALL NEW Pro Series line by Painless
The Painless Pro Series gives you everything you need to wire up your pro-touring or custom r...
23 Circuit - Pro Series - Key In Dash - Bulkhead Firewall Pass-Through
Regular price
$569.99
Sale price
$569.99
Regular price
Unit price
/per
Year: UniversalMake: GMModel: UniversalEngine: AnyTrans.: Any
The ALL NEW Pro Series line by Painless
The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ri...
23 Circuit - Pro Series - GM Keyed Column – Bulkhead Firewall Pass-Through P/N 10403
Regular price
$569.99
Sale price
$569.99
Regular price
Unit price
/per
Year: UniversalMake: GMModel: UniversalEngine: AnyTrans.: Any
The ALL NEW Pro Series line by Painless
The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ri...
19 Circuit Classic Customizable 1963-66 GMC / Chevy Pickup Truck Harness
Regular price
$624.99
Sale price
$624.99
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Year: 1963-1966Make: Chevrolet, GMCModel: TruckEngine: Carbureted or Any Stand Alone Fuel InjectionTrans.: Any
It truly is Painless Wiring with our 19 circuit 1963-1966 GMC/Chevy Pickup wiring harn...
28 Circuit Classic-Plus Customizable 1967-72 GMC / Pickup Truck Chassis
Regular price
$635.99
Sale price
$635.99
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Year: 1967-1972Make: Chevrolet, Chevy, GMCModel: Truck, Blazer, SuburbanEngine: Carbureted or Any Stand Alone Fuel InjectionTrans.: Any
This Painless 28 circuit 1967-1972 GMC/Chevy wiring harness w...
Year: 1973-1987 Make: Chevrolet, GMC Model: Truck, Blazer, Suburban
Regular price
$679.99
Sale price
$679.99
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Year: 1973-1987Make: Chevrolet, GMCModel: Truck, Blazer, SuburbanEngine: Carbureted or Stand Alone Fuel InjectionTrans.: Any
This 27 circuit 1973-1987 GMC/Chevy Painless wiring harness was designed...
21 Circuit Direct Fit 1966-67 Chevy II/Nova Chassis Harness
Regular price
$592.99
Sale price
$592.99
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Year: 1966-1967Make: ChevroletModel: Chevy II, NovaEngine: Carbureted or Any Stand Alone Fuel InjectionTrans.: Any
This 21 circuit direct fit wiring harness has many of the factory connectors alrea...
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