Mr. Gasket Copper Seal Header Gaskets are made from dead soft solid Copper .043 inch thick. This gasket incorporates .051 inch embossment around each port to seal irregular surfaces, total gasket thickness is .094 inch. Provides excellent sealing and durability. Conforms to and seals minor surface irregularities. designed for high-performance street, drag race, oval track and turbocharged (extreme heat) applications.
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.