Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Drivetrain› Automatic Transmissions and Components
Trans Go Performance
TH400, TH475 SHIFT KIT
SKU: T09L SK 400
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: SK 400
Components to address soft late shifts, 3rd clutch burn-up, rough 1-2, excess passing gear and late shifts.
Vehicle Symptoms
- Soft or delayed shifts in GM 400 transmission
- Rough 1-2 upshift on acceleration
- Premature 3rd clutch burnout
- Overly sensitive passing gear engagement
- Harsh or erratic shifting under load
Relevant Conversations
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Trans Go Performance |
| Part Number | T09L SK 400 |
Videos
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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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