TCI 327900 TH350 Sprag and Steel Drum Assembly

Upgrade or restore your GM TH350 automatic transmission with the TCI 327900 Sprag and Steel Drum Assembly. This purpose-built kit combines a durable steel drum with a sprag assembly to support dependable one-way clutch operation and consistent transmission performance. It is designed for TH350 applications and provides a practical replacement solution when worn or damaged internal components require service.
The steel construction offers strength and durability for demanding transmission use, while the matched sprag and drum configuration helps simplify installation during a rebuild or repair. Replacing these components as an assembly can help ensure proper fit and compatibility within the transmission, supporting smooth engagement and reliable power transfer. The TCI 327900 is suitable for performance upgrades, maintenance work, and professional transmission rebuilding applications.
Designed specifically for the TH350 platform, this TCI assembly helps restore essential drivetrain function without requiring separate sourcing of the sprag and drum. Always verify transmission application and related component compatibility before installation. Follow the transmission manufacturer’s service procedures and use appropriate tools and fluid specifications for the best results. The kit is not air restricted and does not require truck freight shipping.

Features:

• Brand: TCI

• Part Number: 327900

• Application: GM TH350 automatic transmissions

• Component Type: Sprag and drum assembly

• Material: Durable steel drum construction

• Configuration: Matched sprag and steel drum kit

• Use: Transmission rebuilding, repair, and performance applications

• Shipping Classification: Not air restricted and not truck freight only