Blaster Wiseco 573M06600 Piston Stock Standard OEM Bore Replacement Pin Bearing YXZ1000R 102mm CP or JE 11:1

102mm CP or JE 11:1 forged big bore piston**

+1mm Black Diamond stainless steel intake and exhaust valves

Kibblewhite Precision Hi-Temp Red Viton Valve Seals: High-temp valve stem seals made from Viton for unmatched reliability

Trusted by Riders: A popular choice among ATV enthusiasts for its reliability

but they use stock or stock replacement bearings

Blaster Wiseco 573M06600 Piston Stock Standard OEM Bore Replacement Pin Bearing YXZ1000R 102mm CP or JE 11:1Works on all Yamaha Blaster cylinders Wiseco 66mm forged piston Includes nitrite coated piston rings Hardened, chrome wrist pins Circlips SKF HD wrist pin bearing 6 month warranty*