Valve Spring Seat Shims - 0.060"/0.030"/0.015" - Big Twin | Twin Cam | XL | Buell
Set valve spring open height to match camshaft lifts for optimum valve-train stability and performance, Includes four 0.060" thick shims, and four 0.015" thick shims with 1.500" OD (outer diameter) and 0.645" ID (inside diameter), Made in the USA
