Check the listing for details. Parker Gresen V20 Work port Relief Replace RC-2550, RC-1950, RC-1700, RC-1200,. Condition: New. Listed at 89.00 USD. Parker Gresen V20 Compatible Work port Relief RC-2550, RC-1950, RC-1700, RC-1200, RC-500 quality parts performance guaranteed. 1 year warranty pressure must be standard pressure setting., if you need different pressure setting, you need to buy extra screw adjust kit HK-WH-A。 When you order, please select your pressure setting. Might be not available for some pressure setting because inventory changes every day price is for 1 pc of them Item Pressure range and setting RC-500 500~1249 set@500PSI c/p RC-1200 500~1249 set@1200PSI c/p RC-1700 1250~1749 set@1700PSI c/p RC-1950 1750~1999 set@1950PSI c/p RC-2550 2000~2599 set@2550PSI c/p Note: Above part numbers are reference purpose. If you need other port options, please contact us.