Parts list: № Number Qty Name Options 1 H23125 4 Plug 2 R123574 4 Nut 3 R123575 4 O-Ring 4 R116324 1 Medallion 5 RE502969 1 Valve Cover 6 R123542 1 Gasket Next page: ST158190 CAMSHAFT ST158188 TIMING GEAR COVER ST158187 TIMING GEAR COVER ST158186 ROCKER ARM SHAFT, PUSH RODS AND ROCKER ARMS