Earls Oil Fill Cap w/ PCV Vent (HOLLEY VALVE COVERS ONLY)
Oil Fill Cap w/ Baffle & -10 ORB Port - Fits Holley Cast Aluminum Valve Covers for the GM LS Series Engines w/ 1-5/16"-12 Threads on the Cap.
DOES NOT FIT STOCK VALVE COVERS
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 w/ 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). Billet aluminum construction w/ black anodized finish.
Easy Way to Add Catch Tank to Your Racing Engine w/o Modifying the Valve Cover
Screws Into Valve Cover Like an Oil Fill Cap
-10 ORB (7/8"-14 Straight Thread) O-Ring Boss Port for Use w/ AN Hose to Catch Tank or PCV
Use w/ O-Ring Port Hose End AT849010ERL, or O-Ring Adapter AT985010ERL (straight) or At949010ERL (90 degree)
Internal Baffle Inside Cap – Helps to Reduce Transfer of Oil to Catch Tank
Billet Aluminum Construction w/ Black Anodized Finish