Earl's 991946 Blue Anodized Aluminum -6 Male to 1/2"-20 Male Power Steering/Fuel Pump Adapter AN adapter side seals on the flare (cone) and port side seals on the O-ring Designed for power steering/fuel pump with 5/16" tube inverted flare with a 1/2"-20 thread size Made in the USA Should not be overtorqued to prevent damage to part O-ring included with adapter