Ford 351C Cleveland Aluminum Valve Covers [Black] Speedmaster CNC ported cylinder heads

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

Other features include a flush mount

This one piece billet steel flexplate offers the strongest gear teeth

a C5 Corvette hub bearing pack

Ford 351C Cleveland Aluminum Valve Covers [Black] Speedmaster CNC ported cylinder headsCover your valvetrain with a set of Speedmaster cast aluminum valve covers. Their strong die cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers. They come in tall and short models, and most include bolt in baffles that can be replaced.