MO68772
- Designed to work with Fabricated Sheet Metal and Cast Aluminium Valve Covers, without logo, that have a 1.220" diameter hole
- Ideal for those using aftermarket valve covers without OEM-style oil control baffles
- Works with all popular GM PCV valves
- Special design keeps oil out of the PCV valve
- Will not clear stud girdles, made from oil resistant rubber
