OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy 10525 57-467-50 Valve Cover Crossover

Valve Cover Crossover

Black Universal

For Big Block Chevy with enlarged lifter bores

7 Satin Black 78

1955-1965 Chevrolet Corvette

OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy 10525 57-467-50 Valve Cover CrossoverProduct Description: Main Stud Kit Patriot Series Hex Nuts 2 Bolt Mains Chromoly Black Oxide Big Block Chevy OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.