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Clay Smith Steel Retainers are manufactured from 4140 Chrome-moly they are heat treated to 160 to 180PSI. We feel our retainers are the best on the market. Their super strength eliminates valve spring wear and will hold up against extreme operating conditions.

Clay Smith titanium Retainers are a great way to lighten your valvetrain, in order to rev higher and make more power. They're manufactured in a "CNC" with turning centers from special heat-treated 6AL 4V titanium alloy, selected to deliver maximum strength and reliability. These retainers are excellent for all types of racing.