new take off STANARD BORE PREDATOR HEMI FLAT-TOP PISTON WITH VALVE RELIEFS. works with 212cc predator hemi heads and new style tillotson, ducar 212cc 20 degree hemi heads
- 2.740" hemi predator piston (70mm)
- valve reliefs for "UP TO" 29mm intake 26mm exhaust valves
- .550" compression height
- .050" deep valve reliefs
- new wrist pin
- new rings
- 2 snap rings