Fuel Injection System Wiring Harnesses

Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Fuel Injection System Wiring Harnesses, Holley EFI, Includes Stealth Ram/TPI Main, Power, Injector Harnesses, for HP, Dominator ECU, Chevrolet, Kit

Part Number: HLY-558-503

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wiring Harnesses, Holley EFI, Replacement Harness, Multi-Port, Speed Density Metered, for Avenger, HP, Dominator, EFI Systems, with Stealth Ram, Each

Part Number: HLY-558-101

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Harness, Fuel Injection, Standard Replacement, BlueBird, Crane Carrier, Ford, Freightliner, Kenworth, Peterbilt, Pierce, Sterling, Ea

Part Number: RNB-904-479

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Harness, Fuel Injection, Standard Replacement, Direct Injection, Ford, Medium/Heavy Duty, Truck, Each

Part Number: RNB-904-480

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

EFI Wiring Harness, Telorvek GM GM Ram Jet, Chevy, 5.7L, Kit

Part Number: RFW-RJ22

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wiring Harness, Replacement, Fuel Injector Wiring, Throttle Body Style, Speed Density Metering, for 2-barrel, Digital Pro-Jection, Closed Loop, Each

Part Number: HLY-534-56

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Special Order