Rocker Arm Shim Kit, 12 pcs. total. Includes 4pcs. each of .015″, .030″, and .060″ – Part # 21-2310-0

Designed to go between the rocker stand and the head boss for correct rocker arm height and geometry. Includes 4 pieces each of .015″, .030″ and .060″.

UPC 707924360776