| Ref# | PartInfo | 
|---|
                
| 0 | 1639 482 | 
|  | Optional Kit Low Alt. - THC 
 | 
| 0 | 1639-483 | 
|  | Optional Kit Low Alt. 
 | 
| 0 | 1639-927 | 
|  | Reverse Dropcase Kit, Low Alt. 
 | 
| 1 | 0702-427 | 
|  | Cover, Dropcase - w/O-Ring - REV (TUBE-DIP) 
 | 
| 2 | 0602-444 | 
|  | Sprocket, 19T (Above 4,000 ft Alt.) 
 | 
| 3 | 0123-641 | 
|  | Washer, Fiber 
 | 
| 4 | 0623-293 | 
|  | Plug, Drain 
 | 
| 5 | 0602-012 | 
|  | Spacer 
 | 
| 6 | 1602-048 | 
|  | Shaft, Extension 
 | 
| 7 | 0702-048 | 
|  | Gear, 55T Reverse Assembly 
 | 
| 8 | 0602-023 | 
|  | Washer, Thrust 
 | 
| 9 | 0602-022 | 
|  | Bearing, Thrust 
 | 
| 10 | 0602-024 | 
|  | Ring, Retaining 
 | 
| 11 | 0602-028 | 
|  | Spring, Return 
 | 
| 12 | 0638-881 | 
|  | KIT, REVERSE DRIVE ADAPTER 
 | 
| 13 | 0623-081 | 
|  | Screw, Self-Tapping 
 | 
| 14 | 0602-205 | 
|  | Bearing, Caged 
 | 
| 15 | 1602-042 | 
|  | CHAIN, 72P - 13 WIDE 
 | 
| 15 | 1602-041 | 
|  | CHAIN, 70P - 13 WIDE 
 | 
| 16 | 0602-872 | 
|  | Shaft, Reverse 
 | 
| 17 | 0702-365 | 
|  | Idler, Reverse - Assembly - 19T 
 | 
| 18 | 1602-045 | 
|  | Bearing 
 | 
| 19 | 0602-215 | 
|  | Spacer, Reverse Idler 
 | 
| 20 | 8050-242 | 
|  | Washer 
 | 
| 21 | 8002-130 | 
|  | SCREW, CAP-HH 5/16-18 X .75 G5 Z&Y 
 | 
| 22 | 0702-555 | 
|  | BRACKET, CHAIN BACKING-WELDT(0602-900) 
 | 
| 22 | 0702-553 | 
|  | Bracket, chain Backing-WELDT 
 | 
| 23 | 0602-085 | 
|  | Fork, Shift 
 | 
| 24 | 0702-350 | 
|  | Shaft, Shift Fork 
 | 
| 25 | 0602-479 | 
|  | Plug, Drain - Magnetic 
 | 
| 26 | 0602-021 | 
|  | Seal, O-Ring 
 | 
| 27 | 0623-542 | 
|  | Pin, Spring Coiled - Black 
 | 
| 28 | 0623-786 | 
|  | Screw, Self-Tapping 
 | 
| 29 | 0602-366 | 
|  | Pin, Alignment 
 | 
| 30 | 1602-013 | 
|  | O-Ring, Oil Level Stick Tube 
 | 
| 31 | 0702-170 | 
|  | Sprocket Assembly 39T 
 | 
| 32 | 0602-016 | 
|  | Bearing 
 | 
| 33 | 0123-430 | 
|  | Nut, Lock 
 | 
| 34 | 0623-182 | 
|  | Screw, Machine 
 | 
| 35 | 0602-138 | 
|  | Spring, Compression - Reverse 
 | 
| 36 | 0602-133 | 
|  | Pin, Slip 
 | 
| 37 | 0602-144 | 
|  | Retainer, Spring 
 | 
| 38 | Sprocket 
 | 
|  |  | 
| 39 | 0602-899 | 
|  | Sprocket, Idler - 22T 
 | 
| 39 | 0602-871 | 
|  | Sprocket, Idler - 24T 
 | 
| 40 | 1602-151 | 
|  | Cover, Oil Vent 
 | 
| 41 | 1602-044 | 
|  | Washer, Thrust 
 | 
| 42 | 1602-011 | 
|  | Tube, Oil Level Stick 
 | 
| 43 | 1602-001 | 
|  | TUBE/ DIPSTICK-ASSY 
 | 
| 44 | 0623-640 | 
|  | Screw, Self-Tapping 
 |