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

Wiring Harness, Sniper 2 EFI Main Battery Harness, With PDM, Each

Part Number: SNE-558-190

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Wiring Harness, Sniper 2 EFI Main Battery Harness, Without PDM, Each

Part Number: SNE-558-191

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Wire Harnesses, Sniper EFI, Main Harness, Throttle Body Injection, Speed Density Metered, 6 ft. Wire Loom, Black, Split Braided, Kit

Part Number: SNE-558-490

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Wire Harnesses, Sniper EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 10-pin Male Connector, Kit

Part Number: SNE-558-491

Not Yet Reviewed

Estimated Ship Date: Today

Wire Harnesses, Sniper 2 EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 6-pin Female Connector, Each

Part Number: SNE-558-497

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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: Mar 9, 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: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Fuel Injection System Wiring Harnesses, Holley EFI, 6 Cylinder, MPFI, SFI, TBI, Injector Harness, for HP, Dominator EFI Systems, Universal, Each

Part Number: HLY-558-203

Not Yet Reviewed

Estimated Ship Date: Mar 9, 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: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Fuel Injection System Wiring Harnesses, FiTech, EFI, TPS Splitter, Gm 3 Pin, Each

Part Number: FIF-62020

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Drop Ship
• Special Order

Fuel Injection System Wiring Harnesses, FiTech, EFI, Injector Sub Harness, Delphi Multec 2, Each

Part Number: FIF-70050-24

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Drop Ship
• Special Order

Fuel Injection System Wiring Harnesses, FiTech, EFI, LS Coil Extension Harness, 36 in. Long, Each

Part Number: FIF-70050-26

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Drop Ship
• 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: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Fuel Injection System Wiring Harnesses, FiTech, EFI, Injector Extension Harness, 6 Position, 24 in.Long, Each

Part Number: FIF-70050-25

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Drop Ship
• 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: Mar 9, 2026 if ordered today

• Drop Ship
• Special Order