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

Superior Parts DBM83-04CQ Carbide Driver, Bumper, Ribbon Spring, O-Ring & High Quality Gasket Service Kit for Hitachi NR83A / A2. SP 877-317: Aftermarket Cylinder Ring. SP 877-334Q: Aftermarket Premium Gasket (A). SP 877-325Q: Aftermarket Premium 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 tite and micro-mechanically locked piston driver interface.

• For Hitachi NR83A / A2
• Includes: SP 877-317 Cylinder Ring, SP 878-421 Ribben Spring Set,
• Includes: SP 877-334Q Premium Gasket (A), SP 877-325Q Premium Gasket (B)
• Includes: SP 878-303 Piston Bumper and SP 877-323C Piston Driver (Japanese Carbide).
• Guaranteed never to unscrew.