Superior Parts DBM83-04C Carbide Driver, Bumper, Ribbon Spring, O-Ring & Gasket Service Kit for Hitachi NR83A / A2

Superior Parts DBM83-04C Carbide Driver, Bumper, Ribbon Spring, O-Ring & Gasket Service Kit for Hitachi NR83A / A2 which includes SP 877-317 Cylinder Ring, SP 877-334 Gasket (A), SP 877-325 Gasket (B), SP 878-421 Ribbon Spring Set, SP 878-303 Piston Bumper and SP 877-323C Piston Driver (Japanese Carbide).

SP 877-317: Aftermarket Cylinder Ring.

SP 877-334: Aftermarket Gasket (A).

SP 877-325: Aftermarket Gasket (B).

SP 878-421: Ribben Spring Set.

SP 878-303 Piston Bumper: Precision machined, virgin high density yellow color plastic framer bumper.

SP 877-323C Piston Driver: Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Hardened steel lock tight and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.