The 3104-25 is a 1310 pinion yoke designed for the older GM 8.2″ 10-bolt differential. It features a spline count of 25, with a spline diameter of 1.085 inches and a hub diameter of 1.521 inches. The through hole measures 1.500 inches, and the centerline-to-end distance is 2.875 inches. This yoke falls under the U-bolt style and is classified as light duty (LD). It is compatible with the Dana u-bolt kit number 2-94-28X. This yoke is applicable to a range of GM models, including the Belair (1965 – 1972), Bonneville (1964 – 1972), Camaro (1967 – 1971), Caprice (1965 – 1971), Chevelle Malibu (1964 – 1972), El Camino (1964 – 1971), Firebird Trans Am (1967 – 1972), GTO (1964 – 1971), Impala (1965 – 1972), Monte Carlo (1970 – 1972), Nomad (1964 – 1972), Nova (1964 – 1972), and Tempest (1964 – 1971).