Our new 4153 and 4154 series 0 PSI Check Valves are a great option for your catch can or venting systems. Popular for supercharged or turbocharged applications, the lightweight internal ball quickly seals when it detects any vacuum but maintains great flow characteristics to help relieve crankcase pressure when it sees positive pressure. It utilizes a lightweight ball and can easily be opened for cleaning. Housings are made of 6061 grade aluminum and are offering in various anodized finishes for corrosion protection.
