The 3104-30 yoke, part of the 1310 series, is designed to fit the GM 8.5-inch differential. With a spline count of 30, a spline diameter of 1.312 inches, and a hub diameter of 1.940 inches, this yoke features a through-hole measuring 1.150 inches and a centerline-to-end distance of 3.160 inches. Classified as light duty (LD) and in a UB style, it requires the Dana u-bolt kit number 2-94-28X. Commonly found on the front differentials of 4X4 shafts, it is applicable to several GM models, including the 1/2 ton and 3/4 ton pickups, Blazer, and Suburban, produced during the late 1970s through the early 1990s.