Mark Williams Extreme Duty 4340 billet steel pinion yokes offer ultimate strength for your pinion yoke which is a high stress area on any rear differential. This Ford 9" style yoke is designed to work with 35 spline pinion. All machining is done in relationship to the spline pitch diameter to ensure each yoke is symmetrical for balance and smooth operation.
Features
Fits Ford 9" rear ends / third members
35 spline yoke
High strength 4340 steel construction
Thru Hardened for ultimate strength
Black Oxide finished
1350 U-Joint
3.875" End of Pinion Yoke to U Joint Center (B dimension)