Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness - Extended Length 558-134
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Specifications:
Description:
This harness is designed to fit LS2/3/7+ engines from 1997-2012. The harness interfaces with 58x crank and 4x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it is away from the elements and easy to access.









