These are the much stronger CNC stamped version of supertech's line of keepers. There is a cheaper iteration that is not CNC stamped for nearly half the price but we do not reccommend that keeper style for performance applications. We use this style keeper on all customer builds, and our own personal drag car fleet. Don't cheap out, this is race proven!
Supertech keepers are manufactured for 5.5mm valve stems, for use with most stock or aftermarket retainers.
Sold in package of 32, 2 per valve.
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