1.500" Od. 1.130" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers Grab one of these Speedmaster

Grab one of these Speedmaster billet steel flywheels for the durability and performance that you demand

Fits big block Chevy rectangular port cylinder heads on standard deck blocks

Features a high-carbon steel ring gear for enhanced durability under extreme conditions

unlike plastic alternatives

1966-72 (1973 non-CA) passenger cars

1.500" Od. 1.130" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers Grab one of these SpeedmasterSpeedmaster chromoly steel retainers are made from 4140 chromoly and then heat treated for long life. These retainers are available in a variety of lock angles and sizes to suit your needs, from performance street to competition use.