350 ENGINE ASSEMBLY 0 659 BALANICER PULLEY Crankshaft Con t 72 Ser 50 Conv P S w T H 475 exc Air Brks 3929698 1 PULLEY 4 groove stamped 3979698 71 72 Ser 50 Tilt w P S 3911556 1 PULLEY front f 0 662 WASHIER Harmonic Balancer and Crankshaft Pulley 71 72 All 3739422 1 balancer u I D x 1 O D x i thk 0 666 FLYWI IEEL with Ring Gear I 71 72 Ser 40 Conv exc A T 3998281 1 I 71 72 Ser 50 exc A T 3986183 1 71 72 All w A T 540 361950 1 0 669 BOLT IFIywheel to Crankshaft 71 72 All 839756 6 20 x 1 u 0 L 290M steel 71 72 All 3727207 6 20 x 4 29OM steel 0 673 GEAR Flywheel Ring 71 72 Ser 40 Conv 71 72 Ser 50 w A T 3991408 1 71 72 Ser 50 exc A T 3991409 1 0 679 UNDER PAN COVER EXTENSION Flywheel 71 72 Ser 50 exc A T 3765348 1 clutch 18 2 wide 71 72 Ser 50 SBC w T H 475 3868810 1 trans conv 71 72 All w A T 3836832 1 COVER flywheel housing 71 72 Ser 40 exc A T 3734908 1 EXTENSION clutch hsg under pan 71 72 Ser 50 exc A T 3821378 1 EXTENSION clutch hsg under pan 0 683 HOUSI NG nADAPTER BOl T Flywheel and Clutch NOTE 1 In some cases it will be necessary to extend the clutch housing adapter clearance notch in underpan by 63 to complete assembly 71 72 Ser 40 Conv 3925507 1 clutch A 71 72 All w A T 3998268 1 flywheel 71 72 Ser 50 Conv SBC 3947707 1 clutch 71 72 Ser 50 Tilt 3923424 1 clutch 71 72 All 3821374 1 ADAPTER clutch housing Note 1 71 72 All 3733130 2 BOLT clutch hsg attach 16 x 2 2 washer hd 300M steel 3 275 0 685 DOWEIL Flywheel and Clutch Housing to Cyl Block 71 72 All 3712745 2 clutch hsg u dia x 1 t long 71 72 Ser 50 3696828 2 clutch hsg 7 u dia x long 0 686 COVER Clutch and Flywheel Housing Inspection Hole 71 72 Ser 50 3923426 1 clutch 0 724 CHAIN Camshaft Timing 8 71 72 Ser 40 Conv 346261 1 early link type 71 72 Ser 50 3735411 1 roller type 0 728 SPROGKET Crankshaft Timing Steel I 71 72 Ser 40 Conv 3896959 1 18 teeth 71 72 Ser 50 3735413 1 22 teeth 0 736 SPROCZKET Camshaft Timing 71 72 Ser 40 Conv 340235 1 36 teeth 71 72 Ser 50 3735412 1 44 teeth cast 3735412 0 738 PIN Camshaft Sprocket 4 71 72 All 3836903 A R dowel dia x long V 0 775 CYLINDER ASSY BOOT CUP REPAIR KIT RING SPRING I Clutch Main NOTE 1 Repair kit consists of 1 piston assy 1 retaining ring 1 pri cup and 1 spring retainer assy 71 72 Ser 50 Tilt 3896695 1 dual type 4 650 71 72 Ser 50 Tilt 5456779 2 BOOT cyl moulded 5456779 71 72 Ser 50 Tilt 3889710 1 CUP primary Wagner FD 2398 4 654 71 72 Ser 50 Tilt 3889711 1 CUP secondary Wagner FD 2399 4 654 71 72 Ser 50 Tilt 3889706 1 REPAIR KIT cyl Note 1 71 72 Ser 50 Tilt 3889713 1 RING cyl Wagner FD 45029 4 656 71 72 Ser 50 Tilt 3889720 1 SPRING cyl Wagner FC 3572 4 655 t GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 0 67 0 659 0 775