Cylinder sleeve made from chrome-moly alloy Outside diameter precision centerless ground Ports 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. Sleeve Distinction: O-Ring groove in top of flange Std. Bore 62.00mm 368cc Replacement sleeve.
Original barrel has a replacement sleeve. Heat the cylinder to remove the sleeve. Reheat the cylinder to install the new sleeve
