SP 878-303-RED Piston Bumper: Precision machined, virgin high density - (German Material Red) .. Guaranteed never to unscrew.Carbide Driver & Red Bumper Kit for Hitachi NR83A / A2 Hardened steel lock tite and micro-mechanically locked piston driver interface.
Superior Parts SP 878-303-RED Aftermarket Piston Bumper for Hitachi NR83A, NR83A2, NR83A2(S) - 883-511, 878649, 877376, AL83A-26.. Precision machined, virgin high density plastic framer bumper - German Material (Red).