40 Spline
8 on 3.560 bolt pattern with 1/2" bolts
Our Rear Drive Flanges are machined in house. They are machined out of chromoly steel, broached in house, sent out for heat treating and black oxide finishing.
The cap is machined out of aircraft grade 6061-t6 aluminum, anodized black and engraved with our logo in them.
8 on 3.560 bolt pattern
Included in the kit is:
2 - O-rings
2 - spirolox ring for axles
8 - cap bolts
16 - 1/2-13 12 point Grade 9 flange bolts
Big Cap option is to cover bolts to pass tech for pulling truck rules in most sanctioning bodies