This is a genuine Dana/Spicer pinion yoke with a balancer for the Dana M300 rear differential found in many 2017 and newer Ford F250 F350 F450 Super Duty trucks. This is for the 1480 series universal joint. This yoke has 32 internal splines. Shipping is a flat $10.00 in the continental U.S.

Here are some other specs:

1.645 32 spline
1.900 thru hole
2.500 ground hub