CYLINDER WORKS CYLINDER KIT FR STD BORE 30007-K02 yamaha-chappy-50-50-1977-esi7037508 Optimum Grip Achieved Through the

Optimum Grip Achieved Through the Introduction of Speed Vent Treat (SVT)

Thanks to the careful choice of materials and the classic cut

Clamping: M8

does not generate resonance nor vibrations and offers a better durability

CYLINDER WORKS CYLINDER KIT FR STD BORE 30007-K02 yamaha-chappy-50-50-1977-esi7037508 Optimum Grip Achieved Through theReady to install, Direct Bolt on cylinders require no re plateting and look virtually identical to the oem cylinder, cylinder kit includes matched vertex pistons to enure longevity, performance and reduced engine noise, nickel carbide Gaskets, Cylinder, Piston, Rings, Pin and Clips, Big Bore Cylinder's Do Not Require Machine Work, Made in the USA