Each pack includes two different-sized seals—four packs provide a total of eight grommets
Crafted from high-grade rubber, this PCV breather grommet offers superior resistance to heat and oil, Its durability exceeds that of standard factory parts, providing long-term reliability.
Installation is simple and requires no tools: just remove the old valve cover grommet and press the new one firmly into place.
These 5339 valve cover grommets fit all 1-1/4 inch (1.25") valve cover filler-breather holes, seamlessly compatible with steel/aluminum valve covers and classic American V8 engines (SBC/BBC/SBF 302/350/454, etc.). Featuring dual inner diameters (0.75" & 1")
We offer continuous customer support—should any issues arise, our team provides prompt and helpful solutions.