Backup Ring Buttress 7/8" Plunger
Backup ring/buttress from the hp seal kit for 7/8" plunger in the 60kpsi intensifier. This part is KEY to long seal life. Go with the kit to reduce issues tracking small parts and reduce rebuild frequency. If it drops into the hp cylinder without a tool - replace the hp cylinder.
HP Seal Kit 60k
Complete HP Seal kit. Includes buttress which i...