Multi layered steel (MLS) gaskets are less prone to blowing out, and these GM gaskets will support header tube diameters to 2". Required when installing headers, and HIGHLY recommended over the paper gaskets that are supplied with most headers. For all LS based engines. Sold each.
Multi layered steel (MLS) gaskets are less prone to blowing out, and these GM gaskets will support header tube diameters to 2". Required when installing headers, and HIGHLY recommended over the paper gaskets that are supplied with most headers. For all LS based engines. Sold each.