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