Beginner — under 30 min
Description
This trailer ball features fine threads for high holding strength and has been tested to meet U.S. V-5 specifications. Key dimensions include a 1" shank diameter, a 2 3/16" shank length, and a 1" shank rise. For proper installation, the mounting platform must be at least 3/8" thick, and the hole size should not exceed 1/16" larger than the threaded shank diameter. The recommended torque is 250 ft-lb.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Curt |
| Part Number | C00D 40031 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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