Vertex Cast Replica Piston Kit 24370B YZ85 YZ85B 2003 and a billet aluminium flange

and a billet aluminium flange with a rubber seal that bolts tight to your airbox

Screw free design eliminates risk of screws going through motor

Greater efficiency due to reduced reed petal travel

RING QTY NEEDED

6% combined with a more aerodynamic shape

Vertex Cast Replica Piston Kit 24370B YZ85 YZ85B 2003 and a billet aluminium flangeMade in Italy Product number: 24370B Fits Models: YZ 85 2002 2023 YZ 85 Big wheel 2022 2023 SPECS: Compression RatioSTD Cylinder Diameter 47. 500 mm Displacement 85 cc Piston Diameter 47. 450mm Kit includes: Piston, rings, wrist pin, and circlips Vertex Piston Kits Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow by and oil consumption 2 stroke pistons have an 18% silicon content