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Leading 2-Stroke racing exhaust manufacturer Mach-1 is announcing a matched exhaust system to optimize the power potential in the 2Fast 70
Malossi 70cc Top End KitsKit Includes: Piston kit - gasket kit - wrist pin bearing
The modular head system is completed by a cover that closes off the upper part of the cylinder
The kit features six huge transfer ports and the known T-shaped exhaust port (this one is also huge…)
5mm stock size but we prefer 787x16mm beltAPEX MXR100 --- 780x16
Wrist Pin Bearing 12x15x16.3 - Wiseco (Stock 90/100cc) YFZ 450R Leading 2-Stroke racing exhaust manufacturerPremium aftermarket Wrist Pin Bearings Mini Quad IDxODxW in mm10x14x13 Malossi Brand #6616783 Fits Stock 50 7012x16x16 Malossi Brand #668102 Fits Malossi Crank 53885512x17x16 Malossi Brand #6611785 Fits Pro Crank Malossi 531597312x15x16. 3 Wiseco #B1042 Stock 90 10013x17x17. 7 Malossi Brand #6615509 Fits most 44mm Stroke European Cranks14x17x16. 6 Stage6 Brand #S6 802056 Fits most 94cc Europen Applications