RBS carries a full line of hard line acc. for the racer that wants to make there own stainless or aluminum hardlines. Made from billet aluminum to keep the hot rod lightweight and anodized for corrosion protection. Customer can choose from blue, black or super nickel finish. Tube sleeve is reverse 37 degree flare so it will work with all industry standard 37 degree AN fittings.Here is handy tube size reference to help the racer pick the correct size part for the application.
-3 = 3/16" tube
-4 = 1/4" tube
-5 = 5/16" tube
-6 = 3/8" tube
-8 = 1/2" tube
-10 = 5/8" tube
-12 = 3/4" tube
-16 = 1" tube
-20 = 1.250" tube