Availability
Showing In Stock Items. Show All 26 Items.
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1201
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, EFI Transplant, Multi-Port, Mass Airflow, Standard Length, Ford, Small Block, Each
Part Number: PRF-60510
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Fuel Injection, GM, CFI/TBI, Engine Swap, Universal, Kit
Part Number: PRF-60101
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1200
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Fuel Injection, GM, TPI, Engine Swap, Universal, Kit
Part Number: PRF-60102
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Drive-by-wire Harness, GM LSx Early Truck, MPFI, SFI, TBI, for Dominator EFI Systems, Each
Part Number: HLY-558-429
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Fuel Injection, GM, TPI, Engine Swap, Universal, Kit
Part Number: PRF-60103
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator EFI Systems, Model 550-405, 550-406, Each
Part Number: HLY-558-414
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Ford Coyote, Drive-By-Wire Harness, Multi-port Style, for HP/Dominator EFI System, Ford, 5.0L, Kit
Part Number: HLY-558-422
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Injector Driver harness, Plug-and-Play, MPFI, JB2 Connector, for Dominator ECU, Each
Part Number: HLY-558-219
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Ford GT500, 3V Drive-by-Wire, Throttle Body Harness, Plug-and-Play, Ford, Mustang, 4.6L, 5.4L, Kit
Part Number: HLY-558-461
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Dominator EFI, GM LSx, Dual Drive-by-Wire Harness, for Throttle Bodies to Dominator EFI Systems, Each
Part Number: HLY-558-411
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, MPFI, Mass Airflow, Injector Harness, LS Multec 2, Chevy, Truck, 4.8-6.0L, Each
Part Number: HLY-558-214
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Injector Harness, Unterminated Base, Bosch EV1 Style, with Connector, 16-piece, Set
Part Number: HLY-558-207
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Fuel Injection System Wiring Harnesses, Holley EFI, 7.3 L Godzilla, Drive-by-Wire, Throttle Body Harness, for Terminator X, Ford, Each
Part Number: HLY-558-469
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Wiring Harnesses, Holley EFI, Main Harness with Smart Coils, 7.3L Godzilla, Ford Each
Part Number: HLY-558-141
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harnesses, Holley EFI, Main Harness with Stock Coils, 7.3L Godzilla, Ford Each
Part Number: HLY-558-140
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Wire, LS1, Kit
Part Number: TSN-WH1210
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Fuel Injections System Wiring Harnesses, Gen III Hemi, Drive-By-Wire Harness, Early Pedal, OE Connectors, Plug-and-Play, Chrysler, Dodge, Jeep, Kit
Part Number: HLY-558-417
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Pro Series, 6.0L LS2, Magnum Manual Transmission, 5-pin MAF, EV6 Injectors, Each
Part Number: WRS-WPLS2UGT5MEP
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Wiring Harness, Gen III Vortec, Chevy, Small Block, LS1, Each
Part Number: PRF-60324
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.