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Applications for HLY-558-129

Holley EFI Terminator X LT Main Engine Harnesses 558-129

Not Yet Reviewed

Part Number: HLY-558-129

Estimated Ship Date from Texas: Monday 10/19/2026

$611.95

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Applications

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Results Found: 2

Universal:

Make:

CHEVROLET

Beginning Year:

2014

Ending Year:

2020

Engine Type:

Engine Family:

CHEVY SMALL BLOCK GEN V V8 GAS

Engine Size:

5.3L/325

Application Notes:

This harness is designed for use with Terminator X and X Max ECU's only.