Weight Upgrades for HO IHC RTR Cars
Passenger Cars
| Kit # | Description | Price | |
| 4340R | Smooth Side / Corrugated Side Baggage | $5.14 | |
| 4341R | Smooth Side / Corrugated Side Coach | $5.14 | |
| 4342R | Smooth Side / Corrugated Side Dining Car | $5.14 | |
| 4343R | Smooth Side / Corrugated Side Observation | $5.14 | |
| 4344R | Smooth Side / Corrugated Side Combine | $5.14 | |
| 4345R | Smooth Side / Corrugated Side RPO | $5.14 | |
| 4346R | Smooth Side / Corrugated Side Sleeper | $5.14 | |
| 4347R | Smooth Side / Corrugated Side Vista Dome | $5.14 | |
| 4410R | Heavyweight Baggage | $5.14 | |
| 4411R | Heavyweight Coach | $5.14 | |
| 4412R | Heavyweight Combine | $5.14 | |
| 4413R | Heavyweight Diner | $5.14 | |
| 4414R | Heavyweight Observation | $5.14 | |
| 4415R | Heavyweight RPO | $5.14 | |
| 4416R | Heavyweight 8-1-2 Sleeper | $5.14 | |
| 4417R | Heavyweight 12-1 Sleeper | $5.14 | |