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Applications for HLY-550-653

Holley Dominator EFI Vehicle Management Systems 550-653

Holley Dominator EFI Vehicle Management Systems 550-653

HLY-550-653

Not Yet Reviewed

Part Number: HLY-550-653

Estimated Ship Date from Texas: Monday 11/2/2026

$3,299.95

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Applications

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Results Found: 1

Universal:

No

Make:

MERCURY

Beginning Year:

1968

Ending Year:

2001

Engine Type:

V8

Engine Family:

Ford small block Windsor

Engine Size:

5.0L/302

Application Notes:

Fit small blocks with EV1 injectors.

1

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