The Yukon pinion yoke for AMC Model 20 differentials is sized for 1310 U-joints and installs with an outside snap ring and strap-style attachment. The listing cites a 3.219 in. snap ring span and a 1.062 in. cap diameter. Offered through Yukon’s replacement and performance series, this yoke matches common Model 20 driveline dimensions for direct-fit applications.
Yukon Gear Yoke For Model 20 w/ A 1310 U/Joint Size