Cylinder sleeve made from chrome-moly alloyOutside diameter precision centerless groundPorts cut to precision dimensions and shapes for ease of installation and port match-up.Inside diameter must be bored and honed to size piston after installation. Std. Bore 69.00mm 696cc / #8EK Original cylinder bore NiCaSil plated
Original cylinder bore is alloy chrome plated, nikasil or electrofused. The cyinder must be bored to accept the new cylinder sleeve.
