Maintenance Kit for Cylinders

**IMPORTANT **PLEASE BE SURE TO CHOOSE WHETHER YOU ARE USING HARDENED PISTONS OR STANDARD PISTONS - BEFORE YOU CLICK "ADD TO CART" **

Maintenence Kit for both cylinders. Includes the following:
(part numbers can be found on the exploded view diagram)

6 pcs upper cylinder urethane piston o-rings (found on either side of part #6)
6 pcs upper cylinder back check o-ring (goes on part#3)
6 pcs lower cylinder urethane piston o-rings (found on either side of part#16)
6 pcs lower cylinder back check o-ring (goes on part#12)
6 pcs black outer cylinder o-ring (goes on part#4)

1 pc upper cylinder small delrin spacer part#6
1 pc upper cylinder large delrin spacer part#7
1 pc lower cylinder small delrin spacer part#16
1 pc lower cylinder large delrin spacer part#17