LSX Coil Conversion Harness Kit for Holley EFI / Ford Modular & Coyote J4 Closed Loop O2 Control -

Closed Loop O2 Control - Dual bank control for precise tuning (With optional external CAN O2 Wideband Controller Kit)

Configurations available for rear only

lower profile woven loom

5pcs available

Unterminated auxiliary input / output harness to utilize the four-pin power tap connector on newer main engine harnesses from Holley EFI

LSX Coil Conversion Harness Kit for Holley EFI / Ford Modular & Coyote J4 Closed Loop O2 Control -IN STOCK AND READY TO SHIP! Ditch the factory "dumb" coils on your Holley powered Mod Motor or Coyote setup and replace them with factory LS coils using this plug and play kit! Factory LS coils are a great budget option for making reliable horsepower without the complication of external drivers. Features Compatible with GM LS style coils including LS3, LS7, LS9 and heat sink truck coils. Made specifically for Holley EFI Ford modular harnesses Connects