This fitting is designed to adapt the GM 5/8 Quick connect found on most GM supercharger coolant lines to a more common -12an male fitting. Allowing the use of a larger diameter hose and endless possibilities for routing. These come with a double viton o-ring sealing system and accepts the oem retainer clip found on the factory plastic fittings. There are two flats machined on the sides to aid in tightening. If you do not have the OEM fittings we have some retainer clips available as an add on item. Each fitting is made from 6061 aluminum and anodized black.

Price is EACH