Parts list: № Number Qty Name Options 1 R81515 1 GEAR 12 TEETH AUX DRIVE 1 R81514 1 Gear 12 TEETH WITHOUT AUX DRIVE 2 R81513 1 DRIVE SHAFT 3 R82821 1 Camshaft (SUB FOR R81520) 4 T28041 1 Shaft Key 5 T20072 1 Plate 6 19H2676 2 Cap Screw 3/8" X 1" 7 T20070 1 Helical Gear (CONSISTS OF 48 TEETH) Next page: ST566241 2909 VENTILATOR TUBE ST566243 2915 VENTILATOR TUBE ST566246 1302 CRANKSHAFT PULLEY, DUAL GROOVE 1308 DUAL GROOVE 4101 AUX DRIVE PULLEY ST566254 CRANKSHAFT, BEARING KIT (SHORT NOSE) LONG STROKE ST566258 1314 -1338 CRANKSHAFT DAMPENER (WITH AUXILIARY DRIVE GEARS) ST566232 CAMSHAFT AND ROCKER ARMS (ESN 290000-621172) (1974-1983) (ESN 100001-) (1983-) ST566231 REPLACEMENT HEAD AND VALVES (ESN 290000-621172) (1974-1983) (ESN100001 -)(1983-) ST566230 CYLINDER HEAD (ESN 290000-621172) (1974-1983) (ESN100001-) (1983-) ST566229 CYLINDER LINER KIT (6414TF) ST566228 REPLACEMENT PISTONS AND CONNECTING RODS