Captain O-Ring - Benjamin & Air Force PCP Hand Pump ORing Rebuild Kit (Polyurethane Piston O-Ring Upgrade)

Captain O-Ring - Benjamin & Air Force PCP Hand Pump ORing Rebuild Kit (Polyurethane Piston O-Ring Upgrade)

• Product includes a link to our printable o-ring replacement guide, making replacing your o-rings easier than ever
• Includes all o-rings needed to rebuild your Benjamin/Air Force PCP Hand Pump
• Includes polyurethane piston o-ring, which is better suited to handle the abrasion that destroys buna o-rings when used on the piston rod
• Manufactured and warrantied by Captain O-Ring LLC

Replacing the o-rings in your Benjamin / Air Force PCP Hand Pump has never been easier. With Captain O-Rings printable o-ring replacement guide, simply size up o-rings with the guide and replace with the sizes indicated in the guide. This drastically reduces the time and effort spent rebuilding your pump <br><br> The printable o-ring replacement guide is available at CaptainOring.com/manuals <br><br> Includes Nitrile Butadiene O-Rings and one (1) 007 90 durometer Polyurethane piston o-ring. The piston o-ring is the most crucial seal in the pump, and the one that faces the highest stress. Black buna o-rings often fail prematurely in this application due to the high heat and abrasion faced when pumping the piston. <br><br> What to expect: <br>This item includes a full rebuild of O-Rings (as pictured) in a resealable zip-top poly bag with "Captain O-Ring" branded packaging. <br><br>Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC.