1PCS 67mm Cylinder Camshaft Rocker Arm For 1997-2019 For SL230 XR230 CRF230F OE Number: Verify fitment using established OEM or equivalent reference numbers.Specific OE reference numbers for this component must be referenced by the installer.Compatible Vehicles: 1997-2008 For SL230 2003-2008 For XR230 2003-2019 For CRF230F Package Includes: 1 Set Cylinder Camshaft Rocker Arm Assembly (67mm specification) Installation Information: Remove existing rocker arm assembly securing hardware and components.Carefully detach the valve cover and camshaft components as required for access.Position the 67mm rocker arm assembly into the designated location within the cylinder head.Install all associated mounting fasteners to the specified torque values according to the service manual.Reassemble the valve cover and verify proper valve train prior to engine startup.