Manufactured in Italy, Vertex, the premier brand of OEM replacement pistons, is the OEM supplier to KTM and numerous European motorcycle and go-kart manufacturers. Vertex offers enthusiasts state-of-the-art, high-quality pistons for nearly any powersport use from motorcycles and ATVs to marine and karting. Manufactured to the highest standards in Japan, Vertex’s piston rings are produced by the OEM suppliers so that they are direct OEM replacements. Vertex is the choice of those who truly seek the optimum in powersport performance in any application.

Big Bore

Vertex Big Bore Pistons increase engine displacement, torque, and peak horsepower. All pistons are heat-treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually.

Please Note: Images may be for illustration purposes only and reflect the class of product and not the specific model.

SKU	Size Over STD	Piston Ø	Cylinder Ø	Displacement	Comp. Ratio
VE-23007A	+2mm	96.95mm	97.00mm	470	11.4:1
VE-23007B	+2.01mm	96.96mm	97.00mm	470	11.4:1
VE-23007C	+2.02mm	96.97mm	97.00mm	470	11.4:1
VE-23403A	+3mm	97.95mm	98.00mm	480	12.0:1
VE-23403B	+3.01mm	97.96mm	98.00mm	480	12.0:1
VE-23403C	+3.02mm	97.97mm	98.00mm	480	12.0:1