One end of the fittings is designed to be larger, allowing it to pass through the firewall, floor, or wall. These fittings are anodized black for extra protection.
-16an BILLET BULKHEAD dual fittings. Two 16an in/out. High-quality Aluminum. US
-16an/12an BILLET BULKHEAD dual fittings. Two 16an in/out, 12an in/out.
Nitrous Oxide Nos Billet Aluminum Dual Bottle Holder Bracket Polished
Speedmaster Nitrous Oxide NOS Billet Aluminum Dual /Double Bottle Holder Bracket
Nitrous Oxide Nos Billet Aluminum Dual Bottle Holder Bracket [Polished]
Dodge R5 P7 Billet Crane Dual pickup Distributor NASCAR ELLIOTT MOPAR 032626