1.370" Od. 1.060" Id. 7 Deg 11/32 Chromoly Steel Valve Spring Retainers OLDSMOB. They're machined from billet aluminum

They're machined from billet aluminum for lasting durability and good looks

they come in three different finishes and feature a billet aluminum oil fill cap

Don't trust any old brackets to hold your alternator

and regulator

The Speedmaster design incorporates open-fin spacing that promotes airflow through the radiator to enhance the cooling and help eliminate clogging

1.370" Od. 1.060" Id. 7 Deg 11/32 Chromoly Steel Valve Spring Retainers OLDSMOB. They're machined from billet aluminumSpeedmaster 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.