GM TH400/3L80 Bearing Shim Kit – Eliminates Rear Tang-Washer & Thrust Plate

Working on a TH400 or 3L80 transmission?

This bearing shim kit is exactly what you need to eliminate the rear-case tang-washer and thrust plate setup.

It's an aftermarket kit that supersedes part numbers like 35400C, K35412, K35400CA, and matches OE numbers 44211C and 44200F.

Basically, it's a more modern, reliable way to handle the rear of your trans.

Everything's new and ready to install.

Whether you're building a race trans or just rebuilding a stocker, this kit cleans up the design and improves durability.

No UPC, no fuss—just solid parts.

Get your TH400 shifting smooth and strong.