| Catalog No. | Stock No. | Description | Optional? |
|---|
| SUPG1561 | 12523411 | Silent Muffler .40-.51 | |
| SUPG1572 | 22482571 | Exhaust Stack GS40-45 | |
| SUPG1803 | 12163145 | Carburetor S40K-S45K/G-51/GS-40/GS-45ABC | |
| SUPG2169 | 22283280 | Back Plate GS-40 Ring | |
| SUPG2355 | 22110247 | Carburetor Retainer Nut Standard | |
| SUPG2385 | 22080212 | Carb Retainer 40-60 | |
| SUPG2585 | 22032243 | Connecting Rod GS-40/45 ABC/40-46 | |
| SUPG2960 | 22053208 | Crankcase GS-40 Ring | |
| SUPG3318 | 22013251 | Crankshaft GS-40 Ring | |
| SUPG3866 | 22292863 | Cylinder Head S-40K/GS-40 | |
| SUPG4128 | 22043279 | Cylinder Liner GS-40 | |
| SUPG4410 | 22121911 | Front Bearing G34 21-60 | |
| SUPG4475 | 22210286 | Fuel Nipple/Pressure Fitting All | |
| SUPG4591 | 22242894 | Engine Gasket Set S-40K/GS-40/GS-45 ABC | |
| SUPG4730 | 22100234 | Lock Cone .21-.60/G-34 | |
| SUPG4785 | 22253579 | Muffler Screw Set G90/GS40/GS45/G51/G61/G75 | |
| SUPG4866 | 22262774 | High-Speed Needle 34-4500 R/C | |
| SUPG5090 | 22020562 | Carb O-Ring G60 | |
| SUPG5140 | 22130249 | Wrist Pin Retainer 40-46 | |
| SUPG5235 | 22203278 | Piston GS-40 Ring | |
| SUPG5350 | 22231279 | Piston Ring S40-BR40/GS-40 | |
| SUPG5445 | 22110245 | Prop Nut 21-60 | |
| SUPG5495 | 22121059 | Rear Bearing 40-46/GS-40/GS-45 ABC/G-51 | |
| SUPG5814 | 22252747 | Engine Screw Set G40 | |
| SUPG5840 | 22220294 | Shaft Spacer Shaft Washer 21-60 | |
| SUPG6375 | 22221058 | Drive Washer .21-.60 | |
| SUPG6405 | 22220291 | Washer Prop 21-60 | |
| SUPG6580 | 22271616 | Wrist Pin .40-.46 | |
| SUPG1563 | 12523618 | Economy Muffler GS-40 | Optional |
| SUPG4661 | 22243220 | Exhaust Stack Gasket GS-40 | Optional |
