UMA RACING CYLINDER BLOCK KIT 63MM FORGED PISTON AEROX R

DescriptionUMA RACING CYLINDER BLOCK KIT 63MM FORGED PISTON AEROX R15V3 R15V4 MT15 02B00580SpecificationsType: Block Piston KitBrand: UMA RACINGDiameter: 63mmDescription02B00580 is the UMA Racing 63mm Ceramic Cylinder Block Kit with Forged Piston, one of UMA’s most popular big-bore kits for Yamaha 155cc VVA engines. This setup increases displacement to approximately 183cc, giving a major increase in torque and horsepower.What This Kit IncludesTypically includes:63mm ceramic-coated cylinder blockForged pistonPiston ringsGasketsPiston pin & clips