These are the original, not a China copy!
27 Spline 4340 Chromoly Super Sets. (2 birfields & 2 inner axles.)
Longfields 27 spline chromoly super set is made out of 4340 chromoly and 300M material.
They have smaller balls which allow us to have a thicker bell and cage.
If you will be shipping outside of the continental U.S., please call Terra at 1-360-893-0235 to place your order.
This product has a lifetime warranty against breakage.