
Winter$15.93
EPI PERFORMANCESKU 20-15W
13 SPLINE TOP GEAR 15 WIDE X 20TOOTHFinal Drive (chains / sprockets / belts)






VERTEX
Out of stock · stock as of Sep 3, 2026
Shipping calculated at checkout
30-day returns on unused parts
Vertex Top End Piston Kit One part number includes everything for a top end rebuild Includes Vertex piston, rings, wrist, pin, circlips, and top end gasket kit Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance 2-stroke applications include wrist pin bearing 4-stroke applications include Hot Cams cam chain for a more complete rebuild Uses Vertex #23928C CompressionSTD Cylinder Diameter:54 mm Displacement:125cc Piston Diameter:53.960mm Fits Models: 125 SX (16-17) TC 125 (16-17)



