0 685 DOWEL BOLT STUD Flywheel and Clutch Housing to Cylinder Block 38 62 All 6 cyl 63 4 WD 6 cyl 1st Ser 836453 2 10 x V 50 62 All 6 cyl 63 4 WD 6 cyl lst Ser 3696828 2 10 6 4 x V I I 55 70 All Blazer 3712745 2 40 clutch and flywheel Wu x IV long 67 70 All 3 53 5170491 3 31 BOLT flywheel hsg end plate plug nut 67 All 3 53 1st design 5150362 3 05 STUD clutch hsg to flywheel hsg 16 24 x 1 VIQH 67 70 All 3 53 2nd design 5120494 3 1 01 STUD clutch hsg to flywheel hsg 16 24 x 1 V 0 686 COVER GASKET PLUG Clutch and Flywheel Housing Inspection Hole 67 70 All 3 53 5155815 1 30 flywheel hsg small hole 67 70 All 3 53 5155816 1 12 GASI ET small hole cover 55 56 All 6 cyl 2nd Ser 57 62 All 6 cyl 63 4 WD 6 cyl 1st Ser 3837003 1 35 PLUG rubber 1 x 1 0 724 CHAIN Camshaft Timing 55 66 All 8 cyl 3704150 1 8 65 early link type 67 70 All Blazer 8 cyl exc 396 3896961 1 8 65 early link type 68 70 All 396 3902428 1 8 65 link type 0 728 GEAR SPROCKET Crankshaft Tirninlg Steel 1 40 70 All Blazer exc 292 8 cyl 3836605 1 4 30 27 teeth V O D stamped 71 A 63 70 All 292 3882892 1 5 10 27 teeth Note 1 NOTE 1 On the 292 cu in engine prior to 1966 it will be necessary to discard camshaft gear 3866727 and replace with 3882893 Also replace the crankcase front end cover with 3879688 67 70 All 3 53 5116195 1 21 29 7 V 0 D x 4 l D 55 66 All 8 cyl 3759980 1 3 75 SIPROCKET 18 teeth 2V 0 D early link type 67 70 All Blazer 8 cyl exc 396 3896959 1 3 75 SPRDCKET 18 teeth 2 0 D early link type 68 70 All 396 3902422 1 3 75 SPROCKET 19 teeth 3Vz 0 D 0 736 GEAR BEARING HUB SPROCKET Camshaft Timing 38 52 All 3836156 1 11 45 fibre 54 teeth stamped 3836156 40 62 All 6 cyl 63 4 WD 6 cyl 1st Ser 3835473 1 9 15 aluminum cast 3835473 63 70 All Blazer exc 292 8 cyl 3866727 1 9 65 ldent No 3866727 63 70 All 292 3882893 1 9 65 cast 3866727 54 teeth Note 1 NOTE 1 On engine prior to 1966 it will be necessary to use 3882892 crankshaft gear and 3879688 crankcase frt end cover 67 70 All 3 53 5133388 1 25 36 balancer shaft 67 70 All 3 53 5135227 1 20 05 idler timing 67 70 All 3 53 5133387 1 25 36 camshaft 67 70 All 3 53 5196793 1 3 16 BEARING idler timing gear 67 70 All 3 53 5124458 1 10 48 HUEI idler timing gear 55 66 All 8 cyl 3865964 1 5 90 SPROCKET cast 3704214 36 teeth iron early link type 67 70 All Blazer 8 cyl exc 396 3896960 1 5 90 ISPRIOCKET 36 teeth iron early link type 68 70 All 396 3902420 1 5 70 SPRIOCKET 38 teeth aluminum 0 738 BOLT LOCK NUT PIN SLINGER SPACER Camshaft Sprocket 55 63 All 8 cyl 9408991 3 15 self locking 18 x V4 type A A 8 900 67 70 All 3 53 5157244 7 15 idler timing gear cyl block 16 x Wi 67 70 All 3 53 5150087 2 53 INUT gear and pulley 1V 18 0 662 55 70 All Blazer 8 cyl 3836903 1 10 IPIN dowel V x solid 67 70 All 3 53 5127629 2 07 SLINGER camshaft and balancer oil 67 70 All 3 53 5121071 1 2 38 SPACER camshaft pu ey 0 662 0 748 NOZZLE Timing Gear Oil 38 62 All 6 cyl 3690722 1 40 V discharge hole threaded type 63 70 All Blazer exc 8 cyl 3875950 1 25 Wu 0 L 0 775 BOOT CAP ASSY CUP CYLINl EZR ASSY GASKET REPAlR KIT RING SPRING ASSY Clutch Main 60 62 Ser 10 thru 30 exc D A Dl 61 66 Ser 10 D D 63 4 WD 1st Ser 5456779 1 78 cy inder 4 659 60 62 Ser 10 thru 30 exc D D 5467738 1 2 46 CAIP ASSY cylinder filler 4 651 60 62 Ser 10 thru 30 exc D D 5460426 1 63 CUIP cylinder secondary 4 654 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 REV 6 71 0 za 0 685 0 775