7 307 AND 327 ENGINEQASSEMBLIES 1 1 l 0 659 BALANCER PULLEY HUB KEY Crank shaft Con t V 72 G 10 thru 30 w P S exc floor 1 l V r mtd A C 3956666 1 PULLEY ASSY V85 All 327 5743323 1 HUB pulley 65 66 All w key long x wide 1 1 x high 3883206 A R KEY crankshaft pulley hub Note 1 65 66 All w key 1 long x wide x high 1 3885092 1 KEY crankshaft pulley hub Note 1 V y y 0 662 WASHER Harmonic Balancer and Crankshaft Pulley V 1 1 i 70 72 All Blazer 307 3739422 1 balancer Q 0 666 FLYWHEEL with Ring Gear C H 65 70 All Blazer 307 327 exc i A T 1 1 s 71 72 All Blazer exc A T 3998281 1 solid type 65 70 All Blazer w P G 307 327 V a 72 G 10 w P G 1st design 3789821 1 spoke type L 68 All w T H 307 327 69 Ser 10 thru 30 w T H 307 V 1 I exc 4 WD 340296 1 spoke type 69 4 WD G 10 20 w T H 350 1 1 307 1 1 70 All w T H 350 307 I V V 71 G 10 w P G 2nd design 1 71 Ser 10 thru 30 Blazer w A T 72 5 All Blazer w A T 3991402 1 spoke type 1 0 669 BOLT Flywheel to Crankshaft 1 V 65 72 All Blazer 307 327 exc A T 839756 1 6 20 x I V I 65 72 All Blazer w A T 307 327 3727207 6 y 20 x 290M steel 1 0 673 GEAR Flywheel Ring NOTE Ring gears with 153 teeth are only available as part of group 0 666 Flywheel asm 1 V 65 72 All Blazer 307 327 3991408 1 168 teeth F 1 0 679 UNDERPAN COVER EXTENSION SCREW ASSY Flywheel 1 65 72 Ser 10 thru 30 Blazer 307 327 exc A T 3714477 1 clutch housing 15 g 1 65 71 All w P G 307 327 1 3933089 1 1 trans converter 66 71 All w T H 400 307 327 3868810 1 trans converter V 69 72 All Blazer w T H 350 307 6261091 1 trans converter V V 72 Al I Vw TQH 400 V 3952661 1 trans converter 68 72 G 10 20 307 exc A T 3843943 1 COVER clutch housing 65 72 Ser 10 thru 30 Blazer 307 1 1 1 1 327 exc A T 3734908 1 EXTENSION clutch housing flywheel w two indented throughs on surface 65 69 All Blazer 307 327 3924780 A R SCREW ASSY w washer 18 xl 7 V 1 1 V 1 0 683 HOUSING ASSY BOLT Flywheel and Clutch 1 NOTE 1 When using Bolt 3736035 it will be necessary to use Washer 120394 8 929 65 67 Ser 10 thru 30 327 3832808 1 clutch V 68 72 G 10 20 307 3899621 1 clutch Q 68 72 Ser 10 thru 30 Blazer 307 1 1 327 3925507 1 clutch 65 70 All Blazer 307 327 3736035 A R BOLT clutch housing attach 16 x V 1 300M steel plain 3 275 Note 1 A 1 65 72 All Blazer 307 327 3733130 2 BOLT clutchhousing attach 16 x J 1 2 washer hd 300M steel 1 I y 3 275 y 0 685 DOWEL Flywheel and Clutch Housing to Cylinder Block 65 72 All lBlazer 307 327 3712745 2 clutch and flywheel u x 1 long 0 724 CHAIN Camshaft Timing 1 65 66 All 327 3704150 1 early link type v A 67 72 All Blazer 307 327 346261 1 early link type 1 0 728 SPROCKET Crankshaft Timing Steel I 1 65 66 All 327 3759980 1 18 teeth 2 0 0 early link type 67 72 All Blazer 307 327 3896959 1 V 1 8 teeth 2 0 D early link type A V GM PARTS DIVISION GENERALIVIOTORSVCORPORATION CHEVROLET 72TL i V REV 5 79 9 es r V 1 0 659 0 7128