SB Mopar 273 318 340 360 Steel Core Rubber Valve Cover Gaskets 3/16" Quality!!!! | eBay
got many sets of these in use....steel core reusable...free shipping
got 4 sets of the MP cast aluminum valve covers you have to grind the ridge on the cover where it goes over the intake port.....and then..and then...they dont leak until you leave the bolts loose.
