Full Race Vented Rollover Check Valve/Catch Can Performance Components PSC SteeringDriver safety is a priority at PSC, and our Race Use Vented Rollover Check Valve Catch Can demonstrates that commitment to our customers. Manufactured from 1. 5 Inch machined aluminum tubing and servicable breather element, the RV00 also Features an internal check ball to stop the loss of vital fluids due to steep angles or rollover. Can be used anywhere venting is required such as axle, power steering, and transmissions. Ideal size for space