Mr. Gasket Copper Seal Collector Gaskets are made from dead soft solid copper .043 inch thick. This gasket incorporates .051 inch embossment around the port to seal irregular surfaces. Designed for high-performance street, drag race, oval track and turbocharged (extreme heat) applications.

Product Features:

• Withstands Extreme Heat
• Conforms to and seals minor surface irregularities.
• Easy Removal For Disassembly
• Provides excellent sealing and durability.