Piston crown with four valve reliefs stamped .060 oversize sitti…

Top-down close-up of a new piston crown sitting in a cylinder bore, showing four crescent-shaped valve reliefs, a light dished center and the ring lands at the edge. The oversize marking ".060" is stamped into the crown, indicating a 0.060-inch overbore piston.

AI caption September 2005 · Photo 191 of 956