Shop now for Open Differential Parts for 1967-1977.5 Ford F250 and F350 Trucks with Dana-Spicer Model 70 Rear Axles. In stock. Quick shipping.
Up to early 1975, most if not all F350 Dana 70 rear axles used 23 spline axle shafts. 1975.5-1979 dually axles and the 1979 SRW axle all have 35 spline axle shafts.








