Direct replacement for Mazda factory shaft
Manufactured from billet EN39A steel to precise tolerances on state-of-the-art CNC turning, milling & grinding equipment
Oil holes radiased & chamfered during milling process
Stress-relieved & isotropically finished to remove all machined surface stress points before final grinding
Case hardened to 080" for maximum durability & strength
Dimensional accuracy achieved by grinding taper radiases & threads in a single process operation
Removeable plug in rear of shaft for easy internal cleaning & inspection