TCI TH350 Iron Drum/ HD Sprag Assembly 709089 This is the carbon fiber

This is the carbon fiber spokes version

1999-2000 Chevrolet Silverado 2500

this kit will effectively protect the power valve and is easy to install

Buick: LeSabre 63 - 64 6

1/4 in NPT Female Aluminum

TCI TH350 Iron Drum/ HD Sprag Assembly 709089 This is the carbon fiberTH350 36 Element Sprag and Drum Assembly.. This 36 Element Sprag and Drum Assembly for TH350 is designed with superior material to handle higher horsepower applications. Sprags are a one way clutch device used to transfer power through the transmission. TCI heavy duty sprags are stronger than stock in both material and design. And in applications where multiple sprag designs are available, TCI always selects the strongest ones for use in our