This is the fitting kit you need to adapt your Corvette style filter regulator (Like Wix 33737) from Quick Connect to -6AN male fittings. Black anodized aluminum and no plastic clips to fail. Included are: (1) 3/8″ Male Quick Connect to -6AN Male adapter (outlet) (1) 3/8″ Female Quick Connect to -6AN Male adapter (inlet) (1) 5/16″ Female Quick Connect to -6AN Male adapter (return)