1.370" Od. 1.060" Id. 7 Deg 11/32 Chromoly Steel Valve Spring Retainers OLDSMOB. If it has to seal

If it has to seal right the first time Speedmaster has what you need

and reduced friction to extend their life

This new setup ensures a more 'crisp' shift

Speedmasterª & FAST line of EFI systems are all you need when deciding to upgrade your engine to modern electronic fuel injection

Slim line design for when space is at a premium

1.370" Od. 1.060" Id. 7 Deg 11/32 Chromoly Steel Valve Spring Retainers OLDSMOB. If it has to sealSpeedmaster 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.