6 CYLINDER ENGINE 0 728 GEAR SPROCKET Engine Crankshaft Ccn t 76 ALL 250 4 3836605 1 19 40 GEAR STAMPED GM71 NOTE 2 3 76 ALL 250 3882892 1 19 40 GEAR STAMPED GM20 NOTE 3 4 4 77 79 ALL 250 362758 1 19 40 GEAR 78 79 ALL I96 231 1192816 1 11 45 SPROCKET CR SHF 78 79 ALL 200 464617 1 20 30 SPROCKET CR HF 80 81 ALL 229 464617 1 20 30 SPROCKET CR SHF 80 81 ALL 231 1192916 1 11 45 SPROCKET CR SHF B0 81 X 2 8 477263 1 14 90 SPROCKET CR SHF 0 736 GEAR SPROCKET Engine Camshaft NOTE 1 Must be used w 3882892 nr 352758 crankshaft gear 3882892 and 362758 crankshaft gears are identified w GM20 stamped cn gear face NOTE 2 Must be used w 352167 or 3836605 crankshaft gears 352167 and 3 936606 crankshaft gears are identlf ed w GM7 1 stamped an gear face 76 ALL 250 3866727 1 26 25 GEAR TIMING STAMPED 14 NOTE 2 76 79 ALL 250 3882893 1 26 25 GEAR TIMING STAMPED 20 NOTE 1 78 79 ALL 196 231 1253698 1 12 70 SPROCKET CM SHF 78 79 ALL 200 340235 1 18 15 SPROCKET CM SHF 80 81 ALL 229 340235 1 18 15 SPROCKET CM SI IF 80 81 ALL 231 1253688 1 12 70 SPROCKET CM SHF 80 81 X 2 8 476520 1 31 25 SPROCKET CM SHF 0 738 BOLT NOZZLE PIN Engine Camshaft Sprocket 78 79 ALL 196 231 1383886 1 22 BOLT SPKT TO CM SHF 80 81 ALL 231 1383886 1 22 BOLT SPKT TD CM SHF 80 S1 X 2 8 477280 1 30 BOLT CM SHF SPKT 8 900 ALSO LISTED IN GRP 3 670 78 ALL 250 1ST DES 3875950 1 51 NOZZLE OIL NOT REQUIRED FOR 1978 2ND DES AND LATER 78 81 ALL 3836903 1 22 PIN C M SHF SPKT ALSO USED IN GROUP 1 539 0 206 0 748 NOZZLE Engine Timing Gear 76 77 ALL 250 3875950 1 51 NOZZLE OIL 76 ALL 250 1ST DES 3875950 1 51 NOZZLE OIL NOT REOUIRED FOR 2ND DESIGN 0 787 ROD SPACER SWIVEL Englne Clutch Fork Release NOTE 1 When using 3840345 swivel in place uf 551 165 rod 14008223 rod must be used in place af 475773 md 76 77 A F 250 9779202 1 1 40 ROD PUSH 76 79 X 250 3939116 I 1 95 ROD CLU FORK ADJ PUSH 78 A W M T 476773 1 1 85 ROD CLU FORK ADJ PUSH LENGTH 3 74 78 A W M T 551165 1 5 90 ROD CLU FORK PUSH 79 A W M T 1ST DES 476773 1 1 85 ROD CLU FORK ADJ PUSH LENGTH 3 74 79 A W M T 1ST DES 551165 1 5 90 ROD CLU FORK PUSH ELBOW SHAPED 79 A W M T 2ND DES 14008223 1 1 90 ROD CLU FORK ADJ PUSH LENGTH 6 30 80 81 AT AW W M T 14008223 I 1 90 ROD CLU FORK ADJ PUSH 80 81 F W MT 340690 1 1 85 ROD CLU FORK ADJ PUSH 76 77 X W MT L 3975524 1 40 SPACER ADJUSTING PUSH ROD 77 F 250 W M T 3875524 1 40 SPACER ADJUSTING PUSH ROD 76 77 A 335380 1 2 20 SWIVEL ADJUSTING PUSH ROD 78 77 F 250 W M T 3840845 1 2 20 SWIVEL CLU FORK ADJ PUSH ROD 76 79 X L6 V6 3840845 1 2 20 SWIVEL CLU FORK ADJ PUSH ROD 79 A W M T 2ND DES 3840845 1 2 20 SWIVEL CLU FORK ADJ PUSH ROD NOTE 1 80 81 A W M T 3840845 1 2 20 SWIVEL CLU FORK ADJ PUSH ROD 0 795 FORK LEVER SHAFT Englne Clutch Release 76 77 A F X W M T 340278 1 19 05 FORK 76 81 H W M T 3994270 1 15 15 FORK 78 A W M T 462607 1 18 75 FORK 79 8I A W M T 14007356 I 18 50 FORK 79 ALL 250 W M T 340278 1 19 05 FORK 80 81 F 229 340278 1 19 05 FORK 80 X M20 474667 1 I1 55 LEVER CLU FORK 80 X M20 474652 1 58 75 SHAFT CLU FORK 81 X M20 14024930 1 58 75 SHAFT CLU FORK 0 796 CAP SPR NG STUD Engine Clutch Release Fork 78 90 H 3873139 1 39 CAP CLU FORK BALL STUD 76 81 ALL W M T 3849688 1 1 05 SPRING RETAINING GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 0 728 0 796 0 34 9 80