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Painless Performance

Painless Performance Fuel Injection Harnesses

4.47 out of 5 stars 93 Customer Reviews

For maximum power with exceptional drivability, transplant the power of fuel injection into your vehicle with Painless Performance fuel injection harnesses. All kits include straightforward instructions and TXL high-temperature, color-coded, and labeled wire for ease of installation. All fuel injection harnesses are 100 percent quality-tested on OmniScanners to ensure the viability of the circuits. Harnesses for both GM and Ford applications are available and they use genuine original equipment connectors for trouble-free installation and operation.

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Painless Performance Fuel Injection Harnesses 60217

Made in the USA Painless Performance Fuel Injection Harnesses 60217

Painless Performance Fuel Injection Harnesses 60217

Wiring Harness, Fuel Injection, for Engine Swaps, Multi-Port, Mass Airflow, with 10 Circuit Fuse Block/GM Colors, Chevy, LS 4.8, 5.3, 6.0L, Each

Part Number: PRF-60217

4.69 out of 5 stars ( 16 )

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Painless Performance Fuel Injection Harnesses 60221

Made in the USA Painless Performance Fuel Injection Harnesses 60221

Painless Performance Fuel Injection Harnesses 60221

Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 4.8/5.3/6.0L, Kit

Part Number: PRF-60221

3.93 out of 5 stars ( 14 )

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Painless Performance Fuel Injection Harnesses for 1986-1995 MUSTANG - 60510

Made in the USA Painless Performance Fuel Injection Harnesses for 1986-1995 MUSTANG - 60510

Painless Performance Fuel Injection Harnesses for 1986-1995 MUSTANG - 60510

Wiring Harness, EFI Transplant, Multi-Port, Mass Airflow, Standard Length, Ford, Small Block, Each

Part Number: PRF-60510

4.33 out of 5 stars ( 12 )

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Painless Performance Fuel Injection Harnesses 60508

Made in the USA Painless Performance Fuel Injection Harnesses 60508

Painless Performance Fuel Injection Harnesses 60508

Wiring Harness, Fuel Injection, GM, SFI, LS1, Engine Swap, Front Mount Fuse Block, Standard Length, Universal

Part Number: PRF-60508

4.8 out of 5 stars ( 5 )

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Painless Performance Fuel Injection Harnesses 60101

Made in the USA Painless Performance Fuel Injection Harnesses 60101

Painless Performance Fuel Injection Harnesses 60101

Wiring Harness, Fuel Injection, GM, CFI/TBI, Engine Swap, Universal, Kit

Part Number: PRF-60101

4.86 out of 5 stars ( 7 )

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Painless Performance Fuel Injection Harnesses 60502

Made in the USA Painless Performance Fuel Injection Harnesses 60502

Painless Performance Fuel Injection Harnesses 60502

Wiring Harness, Fuel Injection, GM, MFI, Front Mount Fuse Block, Spade Fuse, 4L60E Trans, Universal, Kit

Part Number: PRF-60502

4.33 out of 5 stars ( 9 )

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Painless Performance Fuel Injection Harnesses for 2003-2005 RAM 2500, RAM 3500 - 60250

Made in the USA Painless Performance Fuel Injection Harnesses for 2003-2005 RAM 2500, RAM 3500 - 60250

Painless Performance Fuel Injection Harnesses for 2003-2005 RAM 2500, RAM 3500 - 60250

Wiring Harness, Cummins Diesel, 5.9L, Facilitates Engine Transplants, Each

Part Number: PRF-60250

4.5 out of 5 stars ( 2 )

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Painless Performance Fuel Injection Harnesses 60617

Made in the USA Painless Performance Fuel Injection Harnesses 60617

Painless Performance Fuel Injection Harnesses 60617

Wiring Harness, Fuel Injection, Mechanical Throttle Body, Chevy, Small Block, Each

Part Number: PRF-60617

Not Yet Reviewed

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Painless Performance Fuel Injection Harnesses 60102

Made in the USA Painless Performance Fuel Injection Harnesses 60102

Painless Performance Fuel Injection Harnesses 60102

Wiring Harness, Fuel Injection, GM, TPI, Engine Swap, Universal, Kit

Part Number: PRF-60102

4.67 out of 5 stars ( 6 )

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Painless Performance Fuel Injection Harnesses 60211

Made in the USA Painless Performance Fuel Injection Harnesses 60211

Painless Performance Fuel Injection Harnesses 60211

Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, 454, Kit

Part Number: PRF-60211

4.33 out of 5 stars ( 3 )

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Painless Performance Fuel Injection Harnesses 60505

Made in the USA Painless Performance Fuel Injection Harnesses 60505

Painless Performance Fuel Injection Harnesses 60505

Wiring Harness, Fuel Injection, GM, SFI, LT1/LT4 Engine Swap, Extra-Long Harness, Universal, Kit

Part Number: PRF-60505

5.0 out of 5 stars ( 2 )

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Painless Performance Fuel Injection Harnesses 60214

Made in the USA Painless Performance Fuel Injection Harnesses 60214

Painless Performance Fuel Injection Harnesses 60214

Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 4.3L, V6, Each

Part Number: PRF-60214

Not Yet Reviewed

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Painless Performance Fuel Injection Harnesses 60218

Made in the USA Painless Performance Fuel Injection Harnesses 60218

Painless Performance Fuel Injection Harnesses 60218

Wiring Harness, Gen III Vortec, Chevy, 4.8/5.3/6.0L, Each

Part Number: PRF-60218

5.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses 60103

Made in the USA Painless Performance Fuel Injection Harnesses 60103

Painless Performance Fuel Injection Harnesses 60103

Wiring Harness, Fuel Injection, GM, TPI, Engine Swap, Universal, Kit

Part Number: PRF-60103

4.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses for 1986-1995 MUSTANG - 60511

Made in the USA Painless Performance Fuel Injection Harnesses for 1986-1995 MUSTANG - 60511

Painless Performance Fuel Injection Harnesses for 1986-1995 MUSTANG - 60511

Wiring Harness, EFI Transplant, Multi-Port, Mass Airflow, Extra-Long, Ford, Small Block, Each

Part Number: PRF-60511

5.0 out of 5 stars ( 2 )

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Painless Performance Fuel Injection Harnesses 60522

Made in the USA Painless Performance Fuel Injection Harnesses 60522

Painless Performance Fuel Injection Harnesses 60522

Wiring Harness, Fuel Injection, Standard Length, Throttle By Wire, Chevy, Pontiac, LS1, 5.7L, Kit

Part Number: PRF-60522

4.67 out of 5 stars ( 3 )

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Painless Performance Fuel Injection Harnesses 60524

Made in the USA Painless Performance Fuel Injection Harnesses 60524

Painless Performance Fuel Injection Harnesses 60524

Wiring Harness, Multi-port Injection, Mass Airflow Meter, LS3 w/4L65E Trans Only, Throttle by Wire, Chevy, Kit

Part Number: PRF-60524

3.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses 60509

Made in the USA Painless Performance Fuel Injection Harnesses 60509

Painless Performance Fuel Injection Harnesses 60509

Engine Wiring Harness, Engine Swap, Front Fuse Block, Extra-Long Length, Chevy, 5.7L LS1, Kit

Part Number: PRF-60509

4.83 out of 5 stars ( 6 )

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Painless Performance Fuel Injection Harnesses 60608

Made in the USA Painless Performance Fuel Injection Harnesses 60608

Painless Performance Fuel Injection Harnesses 60608

Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 5.7L, Each

Part Number: PRF-60608

2.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses 60520

Made in the USA Painless Performance Fuel Injection Harnesses 60520

Painless Performance Fuel Injection Harnesses 60520

Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, LS2, Kit

Part Number: PRF-60520

Not Yet Reviewed

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Painless Performance Fuel Injection Harnesses 60203

Made in the USA Painless Performance Fuel Injection Harnesses 60203

Painless Performance Fuel Injection Harnesses 60203

Wiring Harness, Fuel Injection, GM, TPI, Front Mount Fuse Block, Spade Fuse, Extra-Long Harness, Universal, Kit

Part Number: PRF-60203

5.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses 60312

Made in the USA Painless Performance Fuel Injection Harnesses 60312

Painless Performance Fuel Injection Harnesses 60312

Wiring Harness, Fuel Injection, Emission Harness, Multi-Port, Mass Airflow, Chevy, Pontiac, 5.7L, V8, Each

Part Number: PRF-60312

Not Yet Reviewed

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Painless Performance Fuel Injection Harnesses 60322

Made in the USA Painless Performance Fuel Injection Harnesses 60322

Painless Performance Fuel Injection Harnesses 60322

Wiring Harness, Gen III Vortec, Chevy, Small Block, Each

Part Number: PRF-60322

5.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses 60324

Made in the USA Painless Performance Fuel Injection Harnesses 60324

Painless Performance Fuel Injection Harnesses 60324

Wiring Harness, Gen III Vortec, Chevy, Small Block, LS1, Each

Part Number: PRF-60324

Not Yet Reviewed

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