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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
Overview
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.
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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 | Sun Coast Converters |
| Part Number | S02K SC-TG400-3 |
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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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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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