Description Fits: Big block, B/RB Valve Cover Gaskets, Perm-Align Rubber with Steel Core, Chrysler, Dodge, Plymouth, Big Block, Pair Gasket Material: Rubber with steel core Thickness (in): 0.172 in. Quantity: Sold as a pair. Moroso Perm-Align valve cover gaskets are manufactured from 30-durometer rubber, which is molded over and vulcanized to a rigid steel frame. They won’t leak, blow out, or get sucked in, the way stock or inferior-quality aftermarket gaskets can. These gaskets feature superior-quality rubber and steel, which outlast cork-and-rubber composite designs to provide years of dependable service, especially if you frequently have to remove and reinstall the valve covers.
