Brian Tooley BTR Platinum. 660 Dual Valve Spring Kit Steel LS1 LS2 LS3 LQ4 LQ9
Brian Tooley Racing BTR Platinum. 660 Dual Spring Kit with Steel Retainers. This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft. Spring kit for LS engines using stock rocker arms. Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and seals.
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