BEL-RAY�Works Thumper Racing Full Synthetic Ester 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.��Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches. Formulated for Thumper engines (single cylinder/multi-valve racing engines) Reduces cylinder and ring wear For�all 4-stroke engines requiring�API SG/SH/SJ/SL/SM standards JASO MA/MA1/MA2 qualified Prevents clutch grabbing and aids smooth power transfers 4�Liter�(4 per case)
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