Big Block Gx390 Aftermarket Cylinder Head 40Mm Intake 33Mm Exhaust Valve Seats

Big Block GX390 Aftermarket Cylinder Head 40mm Intake 33mm Exhaust Valve Seats

Regular price$199.00
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Amount to Mill
This cylinder head is an aftermarket GX390 head with 40mm intake valve seat and 33mm exhaust valve seat installed and with multi-angle valve seats machined ready for valves.  Select the amount you would like to have milled off the head deck surface

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