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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.

$119.95
Part # 558-204

EFI Injector Harness - Universal Unterminated - 558-204

Regular price $119.95
$174.95
$207.95
$207.95
$212.95
$212.95
$225.95
$331.95
$549.00
$949.95
$66.75
$749.00
$189.00
$285.95
$329.00
$419.00
$599.00
$199.00
$329.00
$25.99

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