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This is the replacement .21 engine case for the Ultimate Racing M5S Nitro Engine.
Wallie builds is the top option for any racer looking to have the best available car at the track. These kits are built to be winners and give you the best opportunity for wins and podiums.
- Wallie Builds will cover shipping charges to anyone in the US.
- Once the sale leaves beachRC and arrives at Wallie Builds we will take full responsibility for the order.
- Anything with the build will be handled by Wallie Builds.