A 350 ENGINE ASSEMBLY A U I 0 659 BALANCER PULLEY Crankshaft Con t 69 72 All Blazer w 62 amp Air l Cond A l R 350 exc P S 70 72 Ser 20 30 D D 350 exc P S 3751232 1 PULLEY front stamped 3751232 1 groove 6 0 D x 1 i thk 9 holes 69 72 All w P S 350 3923898 1 PULLEY front stamped 3923898 2 grooye 6 0 D x 2 u thk 5 holes and 4 spokes 71 72 Ser 30 D D w M H C 71 72 G 10 thru 30 w floor mtd A C 3993 344 1 V PULLEY ASSY 71 V G 10 thru 30 exc floor mtd 1 V A C V i V 72 G 10 thru 30 w P S exc floor V V mtd A C A A 3956666 1 PULLEY ASSY V 1 0 662 WASHER Harmonic Balancer and Crankshaft Pulley 70 72 All Blazer 350 3739422 4 1 balancer 0 666 FLYWHEEL with Ring Gear n 69 7 2 All Blazer 350 exc A T 3998281 1 solid type 69 70 All w T H 350 V V 71 72 All Blazer w A T I 340296 1 spoke type 69 70 All w P G 350 V 3899668 1 spoke type V 0 669 BOLT Flywheel to Crankshaft V V V 69 72 All Blazer 350 exc A T 839756 6 20 x 1 69 72 All Blazer w A T 350 3727207 6 V 20 x 290M steel 1 0 673 GEAR Flywheel Ring A NOTE Ring gears with 153 teeth are only available as parte Group 0 666 Flywheel asm V 69 72 All Blazer 350 3991408 1 168 teeth V V 0 679 UNDERPAN COVER EXTENSION SCREW ASSY Flywheel 69 71 Ser 10 thru 30 Blazer 350 V exc A T 3714477 1 clutch housing 15 il 69 70 All w P G 3 50 3831527 1 trans converter 69 71 All Blazer w T H 350 350 6261092 1 V trans converter 71 Ser 10 20 G 10 20 w P G 3933089 1 trans converter 71 All w T H 400 exc M H C V 71 Ser 30 D D M H C 3868810 1 trans converter V l 72 All Blazer w T H 350 344249 1 trans converter 72 All w T H 400 exc M H C 72 Ser 30 D D w M H C 3952661 1 trans converter 70 G 10 20 350 exc A T 71 72 G 20 30 exc A T 3843943 1 COVER clutch housing 69 72 All Blazer 350 exc A T 3734908 1 EXTENSION clutch housing 69 All Blazer 350 3924780 A R SCREW ASSY w washer 18 x 7 0 683 HOUSING ASSY BOLT Flywheel and Clutch 4 4 NOTE 81 When using this Bolt it will be necessary to use Washer 120394 8 929 V V 70 G 10 20 350 71 72 G 20 30 V i 3899621 1 V clutch 69 72 Ser 10 thru 30 Blazer 350 3925507 1 clutch A 69 70 All Blazer 350 3736035 A R BOLT clutch housing attach 16 x 1 i 300M steel plain 3 275 Note 1 69 72 All Blazer 350 4 3733130 2 BOLT clutch housing attach 16 x 2 washer hd 300M steel V 3 275 0 685 DOWEL Flywheel and Clutch Housing to Cylinder Block 69 72 All Blazer 350 3712745 2 clutch and flywheel u x 1 long I 0 724 CHAIN Camshaft Timing 69 72 All Blazer 350 346261 1 early linktype V 0 728 SPROCKET Crankshaft Timing Steel W 69 72 All Blazer 350 V 3896959 1 18 teeth 2 0 D early link type V rs 0 736 SPVROCKET Camshaft Timing A A 69 72 All Blazer 350 V V 340235 1 A 36 teeth iron early link type V 0 738 PIN Camshaft Sprocket 1 69 72 All Blazer 350 3836903 1V dowel x 5 solid GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 0 77 0 659 0 738