This listing is for an engine RE-RING kit compatible replacement for your 1970-1979 Chevy 454 1970-1979 GEN 4 Engine. Kit contains: Mahle Original (formerly Victor Gaskets) full gasket set, King rod & main bearings ( available in std, .010". .020" .030" & .040" Under sizes) and Mahle Perfect Circle piston Rings ( available in std, .020" .030" .040" & .060" Over size) . PLEASE EMAIL US THE BORE SIZE AND BEARING SIZES YOU NEED WITH YOUR ORDER, OTHERWISE YOUR KIT WILL SHIP WITH ALL STANDARD SIZES.