The cylinder sleeve is made from high strength STEEL for wear and rust resistance, hardened to ensure tough and high pressure withstand. The piston ring and O-rings are made from top quality RUBBER, help seal the cylinder and provide great airtightness, features with long term reliable service.
Extremely easy to install the kit, just take the cylinder system apart, the new sleeve has a rolled bottom so you need to remove the piston from the shaft and slide it up over piston, put the ring on piston before inserting into sleeve will be easier.
