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Holley EFI MAIN ENGINE HARNESS for 58X LS w/TBI 558-112

Holley EFI MAIN ENGINE HARNESS for 58X LS w/TBI 558-112
$883.99 ea
NEWBackordered until 03/17/2024
Model: 4007772
Main Engine harness intended for use with Terminator X, X Max, Terminator, HP, and Dominator ECUs when using a Terminator or Terminator Stealth style Throttle Body Injection unit on a Gen 4 58x LS engine. This harness has crank and cam sensor plugs for Gen 4 58x LS engines as well as Odd/Even LS coil harness plugs and a bulkhead connector for the 534-227, 534-225 and similar throttle body injection units.

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!



Emission Code 4
Part Type Fuel Injection Harness
Product Type Terminator LS Main Engine Harness


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Holley EFI MAIN ENGINE HARNESS for 58X LS w/TBI 558-112:
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