Silkolene PRO 4 10W-60 XP Ester Full Synthetic 4T Bike Engine Oil in 4 Litres is part of the lastest Silkolene Engine Oil range. SILKOLENE PRO 4 XP RANGE. Our approved products are used and demanded by leading professional race teams including MotoGP, World Superbikes, British Superbikes and many more including Motocross and Karting.
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