Parts list: № Number Qty Name Options 1 T22535 1 Shaft (12 TEETH) (USE WITH AT25185) 2A AT25185 1 CAMSHAFT (MARKED T20464 OR T20468) (SUB R82821 AND R81514) 2B R82821 1 Camshaft 3 T28041 1 Shaft Key 4 T20072 1 Plate 5 19H2676 2 Cap Screw 3/8" X 1" 6 T20070 1 Helical Gear (48 TEETH) 7 R81514 1 Gear (12 TEETH) Next page: 0402-3 ROCKER ARM SHAFT, PUSH RODS AND ROCKER ARMS [01H14] 0402-4 ROCKER ARM COVER (ENGINE SERIAL NO. 556030-621172) (MANUFACTURED 1981-1983) (ENGINE SERIAL NO. 100001- ) (MANUFACTURED 1983- ) [01H15] 0402-4A ROCKER ARM COVER CONVERSION KIT (ENGINE SERIAL NO. 556030-575423) (MANUFACTURED 1981-1983) [01H16] 0402-5 TIMING GEAR COVER [01H17]