Alloy Tank Filler Neck & Cap with O-Ring for splash bowls 2.5 inchWeld on
Aluminium Alloy Weld On Filler Neck And Cap 2 1/2" I.D. Neck thread is 3"x12 TPI UNF Cap thread is 3"x12 TPI UNF. Ideal for Dry sump, catch, header and fuel tanks. Thread Size: 3"x24 TPI UNF.