MADE IN "USA" WITH CORRECT PORT SIZES!!!! Embossed Reusable Solid Copper Header gaskets (2 pieces per package) for AMC (1970 - 7
290-304-343-360-390-401 WITH DOG LEG PORTS (NOTE THAT THE 1967 THRU 1969 290,343, AND 390 had square ports. Embossed O-ring gasket design increases sealing pressure around exhaust ports to create a tight, leakproof seal, even on irregular surfaces. Made from long lasting .042" thick solid copper, these gaskets will not shrink, deteriorate or blowout, so gasket leaks are eliminated. *** For more technical information call 1-815-978-0000 ***PLEASE ENTER YOUR ZIP CODE IN THE SHIPPING CALCULATOR AT THE BOTTOM OF THIS LISTING FOR EXACT FREIGHT COSTS!!***