Nitrous Express 4AN Female to 6AN Male Adapter Fitting 16203

Nitrous Express Fittings 16203 Nitrous Express AN cap fittings put an "end" to your fittings. These NX AN caps are manufactured from aluminum and come available in a choice of sizes. 4AN Female to 6AN Male Adapter Fitting Pipe Fitting Female To Male; 4AN Female; 6AN Male; 4AN Female to 6AN Ma