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
TCI Automotive
GM TH400 STOCK HD SPRAG
SKU: T00M 227800
Moderate — 2–4 hours
Overview
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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
Fitment Guaranteed
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Specifications
| Brand | TCI Automotive |
| Part Number | T00M 227800 |
Videos
Race TH400: Drums
TH400: 4L80E Drum Retrofit
Improve TH400 Performance, Consistency & Safety with the Sonnax Smart-Tech Drum Module (34555-01K)
TH400: Aftermarket Forward Drum Assembly
TH400 Rebuild: Input Drum (Inspection) #SouthpawAutoworks
TH400 Build Series - Planetary Gear Set (Assembly + Installation + Rear Unit End-Play)
TH400 Build Series - Building Clutch Drums
TH400 Build Series - Installing Intermediate Clutch, Front Band, Direct + Forward Clutch Drums
About MOTORMIA
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Returns & Fitment
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.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
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