1.400" Od. 1.045" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers Featuring thicker walls and more

Featuring thicker walls and more gusseting than any other manufacturer

Speedmaster air filter bases are just what you need to build that custom air cleaner assembly

They are machined from chromoly steel

They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance

Speedmaster brackets are constructed from durable steel

1.400" Od. 1.045" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers Featuring thicker walls and moreSpeedmaster 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.