Aluminum riser. 1" high. O-ring sealed on top. Bottom cut to accept restrictor or thermostat. Available with -6ORB Ports in back for water system. Small or Big block Chevrolet.
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...