Collection:
PAINLESS PERFORMANCE
43 products10% Off
2005-2006 GM LS2 EFI Harness – Throttle By Wire
Regular price
$589.49
Sale price
$589.49
Regular price
$654.99
Unit price
/per
Engine: 6.0L LS2 w/ 24X Crank Reluctor & 2X Cam ReluctorTrans.: 4L60E, T-56
Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump RelayHarness Length: 4 Feet Between Engine and...
10% Off
1999-2006 GM Gen III 4.8/5.3/6.0L Integrated EFI & Chassis Harness – Mech. TB
Regular price
$1,169.99
Sale price
$1,169.99
Regular price
$1,299.99
Unit price
/per
Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E
Number of Circuits: 26 Fuse with 7 RelaysFuse Type: Mini Blade & Maxi FuseFirewall Passthrough: Multiple GrommetColor Co...
10% Off
1999-2006 GM Gen III 4.8/5.3/6.0L EFI Harness – Mechanical TB
Regular price
$539.99
Sale price
$539.99
Regular price
$599.99
Unit price
/per
Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual
Number of Circuits: 8 Fuses with Ignition, Fuel Pump & Air Pump RelaysHarness Lengt...
10% Off
1998-2004 GM LS1/LS6 EFI Extra Length Harness
Regular price
$593.99
Sale price
$593.99
Regular price
$659.99
Unit price
/per
Engine: 5.7L LS1 / LS6 w/ Cable Throttle BodyTrans.: 4L60E, 4L65E, 4L80E, T-56
Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump RelayHarness Length: 8 Feet Between Engine and ECMFu...
10% Off
1997-2004 GM LS1/LS6 Integrated EFI & Chassis Harness – Mechanical TB
Regular price
$1,169.99
Sale price
$1,169.99
Regular price
$1,299.99
Unit price
/per
Engine: 5.7L LS1 / LS6 w/ Cable Throttle BodyTrans.: 4L60E
Number of Circuits: 26 Fuse with 7 RelaysFuse Type: Mini Blade & Maxi FuseFirewall Passthrough: Multiple GrommetColor Code Based: ...
10% Off
1997-2004 GM LS1 EFI Harness – Throttle by Wire
Regular price
$557.99
Sale price
$557.99
Regular price
$619.99
Unit price
/per
Engine: 5.7L LS1 / LS6 w/ Throttle by WireTrans.: 4L60E, T-56
Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump RelayHarness Length: 4 Feet Between Engine and ECMFuse Type: BladeFire...
10% Off
1996-99 GM Vortec 4.3L V6 (CMFI) Harness Std. Length
Regular price
$584.99
Sale price
$584.99
Regular price
$649.99
Unit price
/per
Engine: 4.3L Central Multi-Port Fuel InjectionTrans.: 4L60E
Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump RelayHarness Length: 4 Feet Between Engine and ECMFuse Type: BladeFirewal...
10% Off
1996-2000 GM Vortec 7.4L Big Block V8 Harness
Regular price
$539.99
Sale price
$539.99
Regular price
$599.99
Unit price
/per
Engine: 7.4LTrans.: 4L80E
Number of Circuits: 8 Fuses with 2 Ignition & 1 Fuel Pump RelayHarness Length: 4 Feet Between Engine and ECMFuse Type: BladeFirewall Passthrough: GrommetColor Code Ba...
10% Off
1992-97 GM LT1 Harness Std. Length
Regular price
$602.99
Sale price
$602.99
Regular price
$669.99
Unit price
/per
Engine: 4.3L (V8), 5.7L Sequential Fuel InjectionTrans.: 4L60E
Number of Circuits: 8 Fuses with Ignition, Fuel Pump & Air Pump RelaysHarness Length: 4 Feet Between Engine and ECMFuse Type: Blad...
10% Off
1992-97 GM LT1 Harness Extra Length
Regular price
$670.49
Sale price
$670.49
Regular price
$744.99
Unit price
/per
Engine: 4.3L (V8), 5.7L Sequential Fuel InjectionTrans.: 4L60E
Number of Circuits: 8 Fuses with Ignition, Fuel Pump & Air Pump RelaysHarness Length: 8 Feet Between Engine and ECMFuse Type: Blad...
10% Off
1990-92 GM V8 TPI Harness (MAP) Std. Length
Regular price
$458.99
Sale price
$458.99
Regular price
$509.99
Unit price
/per
Engine: 5.0L, 5.7L Tuned Port Injection w/ Manifold Absolute Pressure Sensor (MAP)Trans.: 200-4R, 700-R4 and Other Non-Electronic
Harness Length: 4 Feet Between Engine and ECMFuse Type: BladeFirewa...
10% Off
1990-92 GM V8 TPI Harness (MAP) Extra Length
Regular price
$508.49
Sale price
$508.49
Regular price
$564.99
Unit price
/per
Engine: 5.0L, 5.7L Tuned Port Injection w/ Manifold Absolute Pressure Sensor (MAP)Trans.: 200-4R, 700-R4 and Other Non-Electronic
Harness Length: 8 Feet Between Engine and ECMFuse Type: BladeFirewa...
10% Off
1986-93 GM 4.3L V6; 5.0,5.7 & 7.4L V8 TBI Harness Std. Length
Regular price
$382.49
Sale price
$382.49
Regular price
$424.99
Unit price
/per
Engine: 4.3L, 5.0L, 5.7L, 7.4L Throttle Body Injected and Cross Fire InjectedTrans.: 200-4R, 700-R4 and Other Non-Electronic
Harness Length: 4 Feet Between Engine and ECMFuse Type: BladeFirewall Pa...
10% Off
28 Circuit Direct Fit 1966-77 Bronco Harness W/O Switches
Regular price
$805.49
Sale price
$805.49
Regular price
$894.99
Unit price
/per
Including Wires For:Aftermarket TachometerAmmeterBrake Warning LightFuel GaugeFuel Tank SwitchGear Indicator LightOil GaugeTemperature GaugeVoltmeter
Year: 1966-1977Make: FordModel: BroncoEngine: C...
10% Off
21 Circuit Direct Fit 1967-77 F-Series Ford Truck Harness w/o Switches
Regular price
$697.49
Sale price
$697.49
Regular price
$774.99
Unit price
/per
This harness includes circuits for:
A/C & Heat
Accessory (Relayed)
Accessory / Cigarette Lighter
Backup Lights
Brake Lights
Cargo Lamp
Charging
Dome Light
Electric Choke
Emergency Flashers
Fus...
10% Off
21 Circuit Classic Customizable Bulkhead Harness
Regular price
$476.99
Sale price
$476.99
Regular price
$529.99
Unit price
/per
This harness includes circuits for:
A/C & Heat
Accessory
Backup Lights
Brake Lights
Charging
Dome Light
Electric Choke
Emergency Flashers
Fan Relay Activation Power
Fused Power Source
Headligh...
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