Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
15 Results Found For "ls1"
Harness the power and exceptional drivability of fuel injection for your ride. Our selection of fuel injection wiring harnesses makes it easy to bring throttle body,...
Harness the power and exceptional drivability of fuel injection for your ride. Our selection of fuel injection wiring harnesses makes it easy to bring throttle body, multi-port, or sequential multi-port fuel injection to your vehicle. Whether you’re adding an aftermarket fuel injection system to your existing engine, swapping in a completely new fuel-injected engine, or just replacing old wiring, we’ve got what you need. We carry complete EFI wiring harnesses from Holley, FAST, Ron Francis Wiring, Accel, Painless Performance, and many others. Bring fuel injection to darn near anything—vintage hot rods,...
Harness the power and exceptional drivability of fuel injection for your ride. Our selection of fuel injection wiring harnesses makes it easy to bring throttle body, multi-port, or sequential multi-port fuel injection to your vehicle. Whether you’re adding an aftermarket fuel injection system to your existing engine, swapping in a completely new fuel-injected engine, or just replacing old wiring, we’ve got what you need. We carry complete EFI wiring harnesses from Holley, FAST, Ron Francis Wiring, Accel, Painless Performance, and many others. Bring fuel injection to darn near anything—vintage hot rods, street rods, replica cars, or whatever—with fuel injection system wiring harnesses from Summit Racing.
Showing In Stock Items. Show All 29 Items.
Wiring Harness, Pro Series, 2004 GTO LS1, T56 Manual Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each
Part Number: WRS-WPLS1UGT56
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Pro Series, GTO LS1, 4L60E Auto Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each
Part Number: WRS-WPLS1UG4L60
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection, GM, SFI, LS1, Engine Swap, Front Mount Fuse Block, Standard Length, Universal
Part Number: PRF-60508
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1201
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, Replacement, LS1/6, 24X/1X Main Harness, Mass Airflow Metered, for HP, Dominator, EFI Systems Only, Chevy, 5.7L, Each
Part Number: HLY-558-102
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Wiring Harness, Engine Swap, Front Fuse Block, Extra-Long Length, Chevy, 5.7L LS1, Kit
Part Number: PRF-60509
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection, Standard Length, Throttle By Wire, Chevy, Pontiac, LS1, 5.7L, Kit
Part Number: PRF-60522
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Wire, LS1, Kit
Part Number: TSN-WH1210
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 24X Crank Sensor, Includes Power, LS1 Injector, Main Harnesses, for HP, Dominator ECUs, Kit
Part Number: HLY-558-500
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Wiring Harness, Gen III Vortec, Chevy, Small Block, LS1, Each
Part Number: PRF-60324
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection, for Engine Swaps, Multi-Port, Mass Airflow, with 10 Circuit Fuse Block/GM Colors, Chevy, LS 4.8, 5.3, 6.0L, Each
Part Number: PRF-60217
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Gen III Vortec, Chevy, 4.8/5.3/6.0L, Each
Part Number: PRF-60218
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 5.7L, Each
Part Number: PRF-60608
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, LS2, Kit
Part Number: PRF-60520
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
