Two stroke kits include all applicable O-rings, springs, washers and gaskets. Four stroke kits include the exhaust gasket. Multi-cylinder applications include enough items for the entire machine. Polaris® kits include gasket, both header donuts and springs

• Two stroke kits include all applicable O-rings, springs, washers and gaskets
• Four stroke kits include the exhaust gasket
• Multi-cylinder applications include enough items for the entire machine
• Polaris kits include header gaskets on both sides of short header pipe and springs, where applicable