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Building a tough 4L80E or 4L85E transmission?
You need internal parts that can handle the power.
This Raybestos Kolene steel clutch pack module is the answer.

It's a high-performance upgrade that uses Kolene-treated steels for better durability and friction characteristics.

The part number is STMGM08K, and it's made right here in the USA.

It includes the steel module ready for install.

Whether you're building a performance truck, a heavy-duty hauler, or just want your transmission to last longer, this Raybestos kit is a solid choice.

Raybestos is a trusted name in drivetrain, and this module is designed to meet or exceed OEM specs.
Give your GM transmission the guts it needs to handle the job.

Grab this and build it right the first time!

5 out of 5