- Improves Sealing & Durability Over Cork Gaskets
- Ensures Non-Leaking, Positive Seal
Ultra-Seal is modern technology applied to valve cover gaskets. The high-density cork/rubber blend gasket material creates a non-leaking, positive seal through controlled swelling when exposed to hot engine oil. They will not harden and fall apart like conventional cork gaskets tend to do. Packaged two per set.