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Uses set bolts to secure it to tube
Feature exact stud placement and rounded contact points
Adjustable pointer can be calibrated at the race track
Designed for street 1955-86 small-block Chevys
TCI 700-R4/4L60E 29 Element Forward Sprag BR40013 Uses set bolts to secure700R4 4L60E Forward 29 Element Sprag. This 700R4 Sprag Assembly is designed to handle more power thanks to its superior material construction. 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 transmissions. See 37360 for Low
