180cc Cylinder Head, Part #169-205

180cc Cylinder Head for the 180cc Big Bore Power Kit. Only for use with our GY6 180cc Power Kit #169-99. Fits the Polaris Ranger RZR 170. Only for use with part #169-99. Exhaust Port Diameter: 22mm. Exhaust Port Bolt Hole Spacing: 50mm. Intake Port Diameter: 23mm. Intake Port Bolt Hole Spacing: 45mm.