Dayco Automatic Belt Tensioner 89421 Highflow 10 Tenths Race Castor is

10 Tenths Race Castor is an ashless SAE 20W-40 engine oil manufactured from high quality castor vegetable oil

a mini thermostat itself

The high friction formulation adds advantages including low dust generation

DMH1979 (x1)

the Tridon coolant temperature sensor range has been carefully researched and engineered to operate within original equipment manufacturer's specifications for each specific application

Dayco Automatic Belt Tensioner 89421 Highflow 10 Tenths Race Castor isDayco No Slack Automatic Belt Tensioner is designed to maintain constant tension on serpentine belt drives. The serpentine belt drives consist of a single belt that powers most, if not all, of the engine's accessories. To maintain the proper tension throughout the drive, an automatic, spring loaded tensioner is incorporated into the drive system geometry. Dayco's Automatic Belt Tensioner features a patented "flat spring" design that's engineered to