EARL’S Oil Filler Cap 3434122ERL; Oil Fill Cap with PCV Vent Black Aluminum for GM, Ford LS, LT, Coyote

These late model valve cover fill caps screw into the valve cover like an ordinary cap. These caps feature a baffle & -10 ORB (7/8"-14 Straight Thread O-Ring Style Port) for use with AN O-Ring Fitting (or Port hose end) & AN hose to the catch tank or PCV. These caps eliminate the need to modify your valve covers when adding a catch tank to your racing engine (required by most sanctioning bodies in racing applications). Choose from two versions with one that fits OEM valve covers (GM LS, GM Gen-V LT, & Ford Coyote), and the second version that fits Holley Cast Aluminum GM LS Valve Covers. Billet aluminum construction with black anodized finish. Use with ORB (O-Ring Port) hose end AT849010ERL, or O-ring Port to AN Flare Adapter AT985010ERL (straight), or AT949010ERL (90 Degree) & AN hose to the Catch Tank.