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Painless Performance Fuel Injection Harnesses

4.48 out of 5 stars 95 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.

Results 1 - 3 of 3

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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: PRF-60218

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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