Drivetrain› Automatic Transmissions and Components
Sun Coast Converters
Suncoast TH400 TRANSGO STAGE 3 SHIFT KIT SUNSC-TG400-3
SKU: S02K SC-TG400-3
Moderate — 2–4 hours
Description
This kit includes a TransGo Stage 3 Shift Calibration Kit, along with components to upgrade various transmission parts. Key upgrades include Alto Red Eagle clutch packs with an increased count for improved torque and horsepower capacity, a high-performance Kolene steel, an upgraded intermediate band, a new filter, bushing kit, and thrust washer kit. It also features an upgraded 34-element sprag and stator support bushing for enhanced durability and performance.
Fitment
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Specifications
| Brand | Sun Coast Converters |
| Part Number | S02K SC-TG400-3 |
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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