Package Includes: 1 Set Cylinder Camshaft Rocker Arm Assembly with 67mm Diameter Compatible Vehicles: - SL230: 1997–2008 - XR230: 2003–2008 - CRF230F: 2003–2019 Installation Information: Replacement requires removal of the cylinder head assembly.Existing camshaft and rocker arm components must be removed following the service manual procedure specific to the applicable engine model.The 67mm diameter rocker arm should be installed with proper alignment to the valve lifter mechanism and camshaft lobe profile.Reassembly torque specifications must follow the guidelines provided in the repair manual for the respective vehicle model.