Description
The Cylinder Works Standard Bore Cylinder is a direct bolt-on replacement designed to match the appearance of OEM cylinders while providing enhanced durability. It features a Nickel Silicon Carbide plating for extended lifespan and precise honing for easy piston installation. This 77mm bore cylinder is engineered for high performance with a 13.4:1 compression ratio and a 249cc displacement. It is a race-only product intended exclusively for closed-course and sanctioned competition use. The kit includes a cylinder, gaskets, and a Vertex piston kit.











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