These adapters are designed to be used with our thermostat housings to adapt to a -20 male so that you can use AN style fittings for your radiator hose.
Simply unscrew the standard push on neck adapter from the housing and replace with this -20 version.
- Available in Black, Silver, Red or Blue.
- Includes Sealing O-Ring
- -16 also available see 20-1030
- Sold Individually