TCI TH350 Iron Drum/ HD Sprag Assembly Tools & Pit Equipment This set is sold with

This set is sold with mounting hardware to bolt-in all mounting locations

Free DashDesign Graphics Editor software

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Three shell sizes for optimum outer profile

1975-1980 Chevrolet C30

TCI TH350 Iron Drum/ HD Sprag Assembly Tools & Pit Equipment This set is sold withTH350 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