Notes: Standard Size; Cast; 3 Ring Groove Piston; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); 1.581 CD; Recessed Head .190 deep x 3.640 dia. w/4 valve reliefs - 9.0:1 C.R.
Notes: Standard Size; Cast; 3 Ring Groove Piston; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); 1.633 CD; D Shaped Recessed Head .178 deep; Individual Piston