Professionally rebuilt OEM complete cylinder head assembly removed from a running 2016 Suzuki RM-Z450 with approximately 45 hours of engine time before disassembly. This cylinder head has been professionally serviced by Haeseker Racing Engines and thoroughly inspected, cleaned, and reassembled. It is an excellent OEM replacement for a worn or damaged cylinder head. Professional Services Performed * Complete disassembly and inspection * Vapor honed cylinder head casting * Valve seats professionally resurfaced * Valves cleaned and inspected * Valve springs, retainers, and seats cleaned * Valve buckets polished * Intake and exhaust camshafts cleaned * Camshaft journals and lobes polished * New valve stem seals installed * Valve lash set to factory specifications * Professionally reassembled Several listing photos document the rebuilding process, including the disassembled valve train, polished camshafts, and serviced internal components, providing buyers with confidence in the work performed. Includes * OEM Cylinder Head (P/N 11100-28H12) * Intake Camshaft (P/N 12710-28H50) * Exhaust Camshaft (P/N 12720-28H60) * Complete Valve Train * Valve Cover * Valve Cover Bolts * Cylinder Head Bolts * Intake Manifold * Coolant Temperature Sensor Please review all photos carefully to verify exactly what is included. Condition The cylinder head has been vapor honed and thoroughly cleaned inside and out. Valve seats have been professionally resurfaced, valves cleaned and inspected, camshaft journals and lobes polished, valve buckets polished, and new valve stem seals installed. Valve lash has been set to factory specifications. Normal cosmetic wear from previous use is present, including light scuffs on the valve cover and other minor cosmetic imperfections typical of a used OEM component. These do not affect performance or functionality. Please review all photos carefully for cosmetic condition and included components. Fitment * 2015 Suzuki RM-Z450 * 2016 Suzuki RM-Z450 * 2017 Suzuki RM-Z450 Please verify compatibility using the OEM part number And verify fitment for your specific year and model before purchasing. If you have any questions, feel free to message us. We ship fast, with next business day shipping.