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EFI Wiring Harnesses

EFI wiring harnesses, pigtails and connectors. Main, ignition, injector and dash harnesses for Holley EFI and FuelTech systems. Clean, correctly built wiring is the foundation of a reliable EFI install.

$84.29
Part # 558-426

Can Extension Harness 12ft - 558-426

Regular price $84.29

Goes Great With

EFI install essentials
Part # 4970

Autometer Ultra-Lite II 2 1/16in 8:1-18:1 AFR Analog Wideband FSE A...

Regular price $299.49