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Gil / Hardin Marine Exhaust Riser Gasket

Gil / Hardin Marine Exhaust Riser Gasket

Fits Mercury HP 500 Gil exhaust manifolds and Hardin Marine cast aluminum manifolds.

Fits Big block chevy, Small block chevy, and ford applications.

4-1/4" bolt hole length 

4-1/4" bolt hole width

3-3/4" exhuast hole

Regular price $13.00
Regular price Sale price $13.00
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