Trans Go Performance
TH400 Reprogramming Kit
SKU: T09L 400-PRO
Description
Part #: 400-PRO
Awesome capacity with adjustable shift timing and feel. Automatic shift street or full-race. Holds 1st and 2nd to any RPM. Back-shifts to 2nd and 1st at any RPM. Perfect for towing, competition, pro-race, heavy duty and show-off applications.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
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 | Trans Go Performance |
| Part Number | T09L 400-PRO |
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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