Fits: Small, Big Block
Valve Cover Grommet, PCV, 1.22 in. Outside Diameter, 3/4 in. Inside Diameter, Each
These grommets are designed for those using extra-tall valve covers without the integral oil control baffles. The special oil-resistant design keeps oil out of the PCV valve. They'll work with all GM PCV valves and will fit any valve cover with a 1.22 in. diameter hole.