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GM TPI and Stealth Ram EFI Harness Kit

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system...
Holley EFI Part #: GVMR_558-503
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$956.95 $956.95
$956.95
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GM TPI and Stealth Ram EFI Harness Kit

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An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!

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