Max Payne
11-17-2003, 08:11 PM
Can anybody tell me what size/type the female threads are in a cat filter head? Thanks, Ben.
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Pick 11-17-2003, 09:08 PM They are -6 BOSS O-Ring. The -6 denotes 6/16 or 3/8. They are "straight" threads, not tapered like NPT. | ||