194 230 250 ENGINE ASSEMBLY 0 629 PISTON ASSY with Pin Con t 75 Nova 6 cyl 6273467 A R 29 75 PISTON 030 0 5 Note 4 0 643 RING KIT Piston Service Sets These are Molybdenum premium rings Used on all Taxi Police 250 and all 250 Eng built after Feb 76 1970 5 6 inch thk ring Used on 250 Eng built before Feb 16 1970 6 inch thk ring 5 Single cylinder replacement unit 62 67 Chevy Chevelle 194 326355 A R 11 25 RING KIT std Note 5 62 75 All 6 cyl 326400 A R N L RING KIT std Note 1 3 5 62 75 All 6 cyl 328503 A R 10 95 RING KIT 030 0 5 Note 1 3 5 70 All 250 3892343 A R 66 00 RING KIT std Note 1 4 0 646 CRANKSHAFT Engine I NOTE 1 When used on A T it will be necessary to remove the pilotbearing 62 70 All 194 230 3864465 1 255 00 Note 1 66 75 All 250 3876840 1 252 00 CRANKSHAFT Note 1 0 649 BEARING Crankshaft Clutch Pilot 62 75 All 6 cyl 3752487 1 N L BEARING bush type az l D x 1 gz O D x 0 659 BALANCER DAMPER PULLEY Crankshaft NOTE ln some cases double groove pulleys may be used in place of single groove pulleys NOTE Crankshaft harmonic balancer is also referred to as torsionaI damper 62 67 Chevy 6 cyl 64 65 Chevelle 6 cyl exc Air Cond 65 Pass 230 exc Air Cond 66 67 Chevelle Camaro 230 exc Air Cond 67 Pass 230 68 69 Chevy Chevelle Camaro w P S 230 exc Air Cond 70 All 230 3826280 1 40 75 w pulley timing mark on frt face 30 degree left 66 70 All 250 exc C A C 71 72 All 6 cyl exc Taxi Police 73 74 All 6 cyl 3896590 1 40 75 w 2 groove pulley 66 69 All w Air Cond 250 71 72 Taxi Police 6 cyl 3896591 1 50 75 BALANCER w 2 groove pulley 75 All 6 cyl 352153 1 48 75 DAMPER torsional 66 67 Pass A I R w C A C 6 cyl 66 67 Pass P S w C A C 6 cyl exc A l R 67 Chevelle Camaro C A C w A I R 250 67 Chevelle Camaro P 5 w C A C 250 exc A l R 68 69 All w P 5 A T w C A C 6 cyl 69 Chevy Chevelle Camaro w C A C 6 cyl exc A T 69 Pass w C A C 6 cyl exc P G 74 Nova 6 cyl w C A C 3876872 1 14 00 PULLEY 1 groove 66 67 Pass w accessory P 5 6 cyl 68 69 Chevy Chevelle Camaro Acc Air Cond w 3 Spd 230 72 All NB 2 w P 5 6 cyl exc Pass 73 74 All w P 5 6 cyl 75 All 6 cyl w C A C 3883263 I 12 90 PULLEY 1 groove 6 U dia 0 662 KEY WASHER Harmonic Balancer and Crankshaft Pulley NOTE 1 Used with pulleys and hubs having a sha ow Is deep keyway only All full depth G slots take standard woodruff key 106751 two short or 144542 one long in group 8 960 65 66 All w key 4 long x is wide x high 3883206 A R 31 crankshaft pulley hub Note 1 L GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVFlOLET 11 j REV 4 81 0 23 0 629 0 662