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✅ Universal Diamond Mounting Pattern
This is the Mad4Metal Buick Nailhead Hilborn Injected badge — machined from a solid billet of 6061-T6 aircraft-grade aluminum
valve covers or interior panels and will give your classic car
custom engines
Fuel Pump Block Off Plate fits Buick 401 Nailhead Engines Billet 6061 CNC USA racing proven ✅ Universal Diamond Mounting PatternFuel Pump Block Off Plate fits Buick 401 Nailhead Engines CNC From 6061 Billet Aluminum Made in the USA Our fuel pump block off plate is a must have to cover the mounting hole and prevent oil leaks in your engine when upgrading your fuel system from the stock mechanical fuel pump to a more reliable electric fuel pump. This high quality block off plate is a perfect fit for your Buick 401 Nailhead engine. These are precisely CNC machined from 6061 T6