Parker Gresen V20 Work port Relief Replace RC-2550, RC-1950, RC-1700, RC-1200,
Parker Gresen V20 Compatible Work port Relief RC-2550, RC-1950, RC-1700, RC-1200, RC-500. pressure must be standard pressure setting., if you need different pressure setting, you need to buy extra screw adjust kit HK-WH-A。.