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Sanderson Copper Collector Gaskets (pr)


Sanderson Copper Collector Gaskets (pr). Available for 2.5″, 3.0″, and 3.5″ diameter header collectors.

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Sanderson’s copper collector gaskets are the answer to preventing persistent leakage at the header collector

Unlike composition fiber or combination fiber and metal gaskets, copper expands and contracts with the temperature of your exhaust. Since copper is soft, it compresses to form a better seal, and it won’t burn out! Copper gaskets have been used in aviation applications for years, and now they’re available for automotive use with your Sanderson (and other brand) exhaust headers.

Sanderson copper collector gaskets are manufactured from 0.062″ thick dead soft copper, and easily annealed to return them to their original thickness. In other words, “They Are The Last Gaskets You Will Ever Need To Buy!”


  • 0.062″ Thickness
  • Sold in Pairs
  • Available in 2.5″, 3.0″, and 3.5″ Diameter

Use the image below to make certain you order the correct size collector gaskets for your headers.

Sanderson Copper Collector Gasket Sizing



Header collector gasket sealing is only as good as a properly secured exhaust system behind the headers. If the exhaust piping and mufflers are swaying back and forth with every motion of the vehicle it can strain the sealing accuracy of the collector gaskets and header flanges. Please be certain to use proper hangers that secure the exhaust piping. This simple task will provide years of trouble-free, accurate sealing.


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