super fast shipping
Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.
Equip your Holley HP or Dominator EFI system with the correct wiring for your GM LS2, LS3, or LS7 engine using this dedicated Main Wiring Harness. Engineered for engines featuring a 58x reluctor wheel, this harness ensures seamless integration and reliable communication between your ECU and engine sensors. It's the perfect solution for LS swaps or performance builds requiring precise engine management.
This high-quality harness is built to withstand the rigors of performance driving, featuring durable materials and secure connectors that prevent signal loss and electrical noise. Proper wiring is fundamental to achieving stable idle, accurate fuel delivery, and optimal ignition timing. By using a harness designed specifically for your engine and EFI system, you minimize potential points of failure and ensure your engine runs as efficiently and powerfully as possible. Trust GGCRACING for all your Holley EFI components and wiring needs.
Other popular Holley products customers consider together:
Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.
Equip your Holley HP or Dominator EFI system with the correct wiring for your GM LS2, LS3, or LS7 engine using this dedicated Main Wiring Harness. Engineered for engines featuring a 58x reluctor wheel, this harness ensures seamless integration and reliable communication between your ECU and engine sensors. It's the perfect solution for LS swaps or performance builds requiring precise engine management.
This high-quality harness is built to withstand the rigors of performance driving, featuring durable materials and secure connectors that prevent signal loss and electrical noise. Proper wiring is fundamental to achieving stable idle, accurate fuel delivery, and optimal ignition timing. By using a harness designed specifically for your engine and EFI system, you minimize potential points of failure and ensure your engine runs as efficiently and powerfully as possible. Trust GGCRACING for all your Holley EFI components and wiring needs.
Other popular Holley products customers consider together:
