Seller notes

Oil Fill Cap w/ Baffle & -10 ORB Port - Fits Holley Cast Aluminum Valve Covers for the GM LS Series Engines with 1-5/16-12 Threads on the Cap.; 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 eng...

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