Superior DB65AK-01 Driver Bumper Kit for NR65AK, NR65AK(S) & NR65AK2

Superior Parts DB65AK-01 is a NR65AK, NR65AK(S) & NR65AK2 - Driver & Bumper Kit which includes SP 883-471 piston driver & SP 883-432 piston bumper.

SP 883-471 Piston Driver with O-Ring. This comes with a patented locking mechanism which will not allow the driver to unscrew from the piston. Aluminum is crimped into the UNI-LOK grooves of the shaft to prevent unscrewing. Guaranteed never to unscrew.

SP 883-432Piston Bumper: Precision machined, virgin high density yellow color plastic framer bumper.