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โ๏ธ Upgrade your TRX4โs edge with brass precision and unstoppable stability!
The AMK TRX4 Brass Diff Cover set is a premium CNC-machined brass upgrade designed for 1/10 scale TRX4 and TRX6 RC crawlers. Weighing 68 grams per set, these heavy-duty diff covers lower your vehicleโs center of gravity to enhance stability and control. Finished with a durable black electrophoretic coating, they resist oxidation while adding a sleek, professional look. Easy to install as direct replacements for stock plastic parts, these covers are a must-have for serious RC enthusiasts seeking performance and style.



| ASIN | B0BN51PFPC |
| Age Range Description | Brass Counter Weigh |
| Are Batteries Required | No |
| Batteries are Included | No |
| Best Sellers Rank | 607,808 in Toys & Games ( See Top 100 in Toys & Games ) 2,380 in Remote & App-Controlled Vehicle Bodies & Scale Accessories |
| Brand Name | AMK |
| Colour | C |
| Country Of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.5 out of 5 stars 54 Reviews |
| Included Components | Brass Extended Wheel Spacers |
| Indoor Outdoor Usage | Outdoor |
| Is Assembly Required | No |
| Item Dimensions | 7.6 x 5.1 x 2.5 centimetres |
| Item Type Name | Brass Counter Weight |
| Item Weight | 68 Grams |
| Manufacturer | AMK |
| Manufacturer Part Number | AMK-TRX4BMFM |
| Material Type | Metal |
| Maximum Age Recommendation | 80 |
| Minimum Age Recommendation | 14 |
| Model Name | Brass Counter Weight |
| Model Number | AMK-TRX4BMFM |
| Model Year | 2022 |
| Number of Items | 1 |
| Number of Packs | 2 |
| Number of Players | 1 |
| Operation Mode | manual |
| Power Source | Materials |
| Set Name | TRX4 Brass Diff Cover Set |
| Size | S |
| Special Features | Portable |
| Theme | Sport |
| Toy Vehicle Form | Crawler |
| Unit Count | 1.0 count |
I**C
Your first upgrade starts here!
Everyone recommends these weighted diff covers for a reason. Bolt right up, looks great, functional, helps COG, and a great price! Thereโs heavier ones from other places, but ultimately the cost of these were better IMO. Iโll buy these every time from now on! Do it!
S**S
Good value for TRX4
Bolted right on my 79 bronco. Adds good weight, and it looks great! The steering arm linkage hits the diff at full lock, I donโt think itโs a problem but I will probably replace the linkage with a bent one to give more room around the diff.
J**G
Tight fit but great otherwise
These work as they should and look great but one of them was a super snug fit. It took a lot of wriggling and jiggling to get it on the axel, the second went on like butter. I'm only running it on the front so the second is just spare/backup. All in all I'd say these are a good value, not great but good.
B**S
Worked well
Fit right into place
A**R
Fit nice
Added more weight to axles
Trustpilot
2 days ago
4 days ago