250 ENGINE ASSEMBLV V GMC GROUP 0 683 C0n tI 74 77 All Blazer Jimmy exo Prop Shaft Park Brk 460486 I l03 00 HOUSING clutch 8 2050A 73 G 1 2 exc H D Clutch 3858403 I 87 50 HOUSING clutch 8 2060A 73 G 3 exc A T 73 G l 2 w H l Clutch 3898821 I 80 75 HOUSING clutch 8 2050A 73 74 P 3 4 Spd w Prop Shaft Park Brk 3925507 I I2I 00 HOUSING clutch 8 2060A 78 CKG l 2 3 78 P I 2 3 exc P B JF9 480486 l 103 00 HOUSING clutch 8 2060A 73 74 All Blazer Jimmy 3733130 2 78 BOLT clutch housing attach 18 x 2 washer head 300M steel 3 275 8 4910D 0 885 DOWEL Flywheel and Clutch Housing to Cyl Block 73 78 All Blazer Jimmy 3712745 2 1 05 DOWEL clutch hsg u dia x l 0 L 8 2080A 0 728 GEAR Crankshaft Timing Steel NOTE I 2nd design gear identified by 20 stamped on front face 73 74 All Blazer Jimmy 3836605 l 24 l5 GEAR 27 teeth O D stamped 7 I 8 2I30A 75 Blazer C Jimmy C 75 76 C I Cab exc H D Chassis Ist design 75 76 G I lst design 352167 1 24 15 GEAR 27 teeth Nate I 8 2I30A 75 78 C 1 Sub 75 78 K l Blazer K Jimmy K 75 78 C 1 Cab w H D Chassis 76 78 Blazer C Jimmy C 3882892 1 24 I5 GEAR 27 teeth 8 2I30A 76 C 1 Cab exc H D Chassis Znd design 78 G 1 2nd design 77 78 C 1 Cab exc H D chassis 77 78 G 1 78 CZ 03 250 78 G2 3 250 382758 I 24 15 GEAR Cr Shf 2 V Teeth Note I 8 2130A 0 736 GEAR Camshaft Timing NOTE 1 2nd design gear identified by 20 stamped on front face 73 74 All Blazer Jimmy 75 Blazer C Jimmy C V 75 76 C 1 Cab exc H D Chassis Ist design 75 G I lst design 3888727 I 33 00 GEAR 54 teeth Nate l 8 2120A 75 76 C 1 Sub 75 78 K l Blazer K Jimmy K 75 76 C 1 Cab w H D Chassis 78 Blazer C Jimmy C I 76 C I Cab exc H D Chassis 2nd design 78 G 1 2nd design 77 78 CKG I Blazer Jimmy 3882893 I 33 00 GEAR 54 teeth cast 3882893 Note 1 8 2I20A 0 748 NOZZLE Timing Gear Oil 73 78 All Blazer Jimmy 3875950 1 86 NOZZLE 1 n O L 8 2288A 0 787 ROD SWIVEL Clutch Fork Release 73 78 Cl l 2 3 Blazer Jimmy 340690 I 2 40 ROD fork push 5 0750 73 74 P 1 2 3 exc Prop Shaft Park Brk 9779202 I I 80 ROD fork push 5 0750 73 G I 2 3 6261895 l l6 45 ROD lark push 5 0750 73 74 P 3 w Prop Shaft Park Brk 328551 l 5 15 ROD fork push 5 0750 75 78 G 1 355525 1 15 75 ROD fork push 5 0750 74 G I Z 3 340817 1 13 55 ROD fork Du h 5 0750 73 78 CKP 2 3 Blazer Jimmy 335380 I 2 85 SWIVEL clutch mlease rod 5 0920 4 73 74 G I 2 3 3983508 1 l 60 SWIVEL clutch fork push rad 5 0920 WAREHOUSING AND DISTRIEUTIONDIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 0 683 0 787 mo REV 2 83