WOSSNER PISTON KIT BETA RR390 ENDURO 15-23 87.97MM Category_Differential Bearings & Seals MC-4ST 15W-50 is the superior

MC-4ST 15W-50 is the superior performance premium engine oil with 100% PAO & Ester

this is only when used in conjunction with a suitable 37mm link-pipe or downpipe

It is suitable for use in two stroke chainsaws

and road grime quickly and thoroughly

and they offer a great balance between price and performance

WOSSNER PISTON KIT BETA RR390 ENDURO 15-23 87.97MM Category_Differential Bearings & Seals MC-4ST 15W-50 is the superiorWossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service. Features: In house designed and manufactured; all forgings are produced in Wossner's company owned forging operation. 4 stroke pistons are made using a double bridged forging design.