Bel Ray Thumper Racing Works Synthetic 4T Engine Oil is a 4-stroke synthetic motorcycle racing oil that has been developed for full works competition use and is designed to withstand extreme racing conditions. Full synthetic ester base oils withstand the highest temperatures and stresses which provide the ultimate 4-stroke motorcycle oil. Meets API SM and JASO MA2 requirements. Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches.

Features:

Reduced cylinder and ring wear. Longer bearing life
Controls sludge and varnish formation. Keeps ring lands and grooves free of carbon build-up
The shear stabiliser provide superior lubrication and film strength
Minimises friction for maximum power
Prevents clutch grabbing for an easily controlled and efficient gear shifting and clutch operation

Bel Ray - Thumper Racing Works Synthetic 4T Engine Oil 10W-60