Coolant gauge sending unit adapter.

This adapter threads directly into any of the (3) screw in freeze plugs of all GSXR EFI engines. No drilling tapping or welding required! Just unscrew freeze plug and screw in adapter. Monitors engine temperature in the engine block not in a hose or radiator for more accurate readings.

Fits all EFI GSXR 600-1000cc, O-ring is included!