Thumper Works 10W-60 4 Liter

Bel-Ray Thumper Racing Works synthetic Ester 4T engine oil is a 4-stroke synthetic engine racing oil developed for full competition use and designed to withstand extreme racing conditions. Fully synthetic ester base oil withstands the highest temperatures and loads and provides the ultimate performance for 4-stroke engines. Meets API SN and JASO MA2 requirements. Suitable for air-cooled / liquid-cooled 4-stroke engines and wet clutches.

Synthetic ester formula for ultimate Thumper performance
Resistant to extreme racing conditions
For air-cooled / liquid-cooled 4T engines with wet clutches