piston88Honda H22 Piston, 88.00 mm Bore, 30.94 mm Compression Heht, 0.866 in. Pin Diameter, Sport Compact, Set of 1.Honda H22 Piston, 88.00 mm Bore, 30.94 mm Compression Heht, 0.866 in. Pin Diameter, Sport Compact, Set of 1.