is proud to announce our new line of CNC high-performance retainers. These retainers are manufactured from the highest quality materials, to the industry's most exacting tolerances. We believe they are the most durable retainers available to the racer anywhere.  Bulk custom runs are available, so call us with your needs.

Available in Titanium or chrome-moly.

Manufactured by SI in the U.S.A.

VALVE SPRING RETAINERS

Chrome moly Click here
Titanium Click here

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