1.500" Od. 1.120" Id. 10 Degree 11/32 Chromoly Steel Valve Spring Retainers These Speedmaster aluminum water pump

These Speedmaster aluminum water pump pulleys are made from a 356 aluminum-alloy that is heat-treated to T-6 specs

What's more

Like all Speedmaster cylinder heads

and cable--no modifications are required for installation

and all accessory gaskets--everything for a complete engine rebuild

1.500" Od. 1.120" Id. 10 Degree 11/32 Chromoly Steel Valve Spring Retainers These Speedmaster aluminum water pumpSpeedmaster 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.