Billet Non Bypass Oil Return Adapter -12AN Suit Small Block and Big Block Chev

Engineered to provide lubricant to most Chevy Gen IV and earlier blocks from a dry sump pump. Locates where the oil filter bypass adapter was with supplied 5/16"-18 bolts and has an o-ring seal to the block to prevent leaks. Available with AN-10 or AN-12 fittings.