Can I use the 35 spline or Do I have to use 31 spline with my 78 F150 4x4

Ford 9-inch Rear Axle Shafts | 35-spline, PAIR | 78-79 Bronco, 73-79 Ford F150 4WD

You can switch to 35 splined axles, but, you will need to upgrade your differential. Stock replacement axles would have 31 splines.

Asked: Sep 18, 2022 - 01:19 PM PST • Answered: Sep 19, 2022 - 01:23 PM PST • SKU: 798602NET • Intent: general

SKU: 798602NET