Description
Rock Oil's Guardian Sigma is designed specifically to meet the exacting requirements of high performance motorcycles.
It was developed after tests with Triumph Motorcycles to protect engines with an integrated gearbox, allowing wet clutches to operate, even under most severe conditions.
The benefits of using Sigma include, superb film strength, anti wear capabilities, shear stability, maximum engine & gearbox protection.
JASO MA API SL SAE 15w/50
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