Wiseco Upgrade Piston Wrist Pin 21mm .225" Wall Thickness S733 (single)

Wiseco S733 Upgrade Piston Wrist Pin 

(21mm) .225 Wall Thickness . 9310 Material Pin Features:High quality low carbon case hardened steelCase hardened to 59-63 Rockwell CGround to a superfinish (.025 Ra or better)Designed for use in applications which require high surface strength combined with high core toughnessExcellent when high contact stress is combined with high shock and impact loading such as turbo / nitrous applications Part Number: wisS733 Description: Piston Pins; 9310 Material; Upgraded PinOD21mmWall Thickness.225 Length: 2.002 Gram Weight:108.