Perko Angled Neck Vented Fill for 1-12 Hose This angled neck vented fill gas cap from Perko has a black polymer cap, body, and strap. No ground wire is required for this item. Specifications Fits hose size 1-12 Fits vent hose 58 O.D. Flange 3-58 Neck Length 2-716 Mounting hole diameter 2-18 Screw Size 8 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Gas Caps Product MPN 0542DPGBLK Product UPC 085226051494 Fast Ship In Stock Ships