Vertex Top End Piston Kit Yamaha YZ85 (02-18) | VTK24370 Batteries The official kit USED by

The official kit USED by Yamaha factory off-road race teams

The only aftermarket slider with UV protection to maintain color and keep it from fading

Compatible with all standard seals and hoses

(1992) WR200

imagine how much "PLUSHER" it gets when you drop it below the average 12psi mark

Vertex Top End Piston Kit Yamaha YZ85 (02-18) | VTK24370 Batteries The official kit USED byVertex Top End Piston Kit provide everything you need for your top end rebuild, eliminating the hassle of sourcing components separately. Kit includes a Vertex piston, rings, wrist, pin, circlips and a top end gasket kit. Exact fit A, B, or C pistons match the cylinder bore perfectly to maximize power and performance. Kits are available for both 2 stroke and 4 stroke applications. 2 stroke applications include a wrist pin bearing. 4 stroke