Bel-Ray Thumper Racing Synthetic 4-Stroke Motor Oil #132640-P Size:10W-50 4 Liter and racing foam air filter

and racing foam air filter applications

and CRF transmission cases

100% Biodegradable in its unused form

Outstanding rust and corrosion protection

Bel-Ray Thumper Racing Synthetic 4-Stroke Motor Oil #132640-P Size:10W-50 4 Liter and racing foam air filterBel Ray Works Thumper Racing Full Synthetic Ester 4T Engine Oil is a 4 stroke synthetic 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. Suitable for air cooled liquid cooled 4 stroke engines and wet clutches. Meets API SM and JASO MA2 requirements.