Rear Main Seal AdapterFits 1986-02 Small Block Chevy Engine Block (except LS)Fits 1955-85 Small Block Chevy CrankshaftFits 1955-85 Small Block Chevy Oil PanMade in the USA Features:Use Standard Flywheels & Flex Plates with 3.625 Bolt CircleEliminate External BalanceUse Early or Late Style Oil Pans. JEGS 502500 Rear Main Seal Adapter Fits 1986-02 Small Block Chevy […]