UPR PRO Series check valve for Fiesta ST oil catch can systems *2 sizes available*
Prevent excessive crankcase pressure by installing this UPR check valve in-line with most popular oil catch can systems
whoosh motorsports has had success using this Pro Series check valve combined with the Mishimoto oil catch can kit
There are 2 sizes available: use the 1/2" when adding to the revised Mishimoto oil catch can kit with rubber hoses. All other kits such as Radium and the older Mishimoto with silicone hoses use 5/8" lines.
*This item ships for FREE is the USA
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Dies what it days it does, & does it well good price & great quality 👍
Took the recommendation as stated above and installed this with my Mishimoto catch can. Be sure to measure three times before cutting if you are installing on the Mishimoto. You only have one shot to get it right! Also, when you figure out where to cut, take in to consideration that the clamps you use won't rattle on the AC tube thing. See pic above.