Bel-Ray Works Thumper Racing Synthetic Ester 4T Engine Oil
Looking for a premium multi-grade full synthetic motor oil? Look no further, Bel-Ray has you covered with this superior engineered racing oil.
Oil and Chemical Shipping Information
- Synthetic ester formula for the ultimate Thumper experience
- Withstands extreme racing conditions
- For air-cooled / liquid-cooled 4T engines with wet clutches
- High viscosity stability
- Smooth power transfer prevents clutch grabbing for an easily controlled and efficient gear shiftring and clutch operation