RHP swivel seal hose ends are cut from 6061 T6 aluminum on our CNC machine turning centers providing superior thread strength and smooth assembly. RHP’s custom designed hose nipples enable a quick, easy and consistent hose end assembly. RHP’s exclusive hand polishing, color consistant anodizing and unique pressure testing adds the final touch of quality and protection that professional engine builders have come to expect from Redhorse Performance. RHP swivel seal hose ends are engineered for use with RHP 200 Series stainless steel and 230 Series black nylon hoses.