Waddayamean the splines are not heat treated? I hope this isn't true, thats sooo basic. I wouldn't expect a normalized 1035 shaft to last too long in those conditions... :rolleyes: How long was th R&D for this marvel 
Marco Tatta
98.5 SE MTX, Duratec
EGR block, fog light
fix, custom shift boot, monsterflow intake, Ecotek valve
Quasi dual cardoctor exhaust.
Hacksaw short shift, Momo race "s" carbon knob, ghetto rear strut bar, 16 inch cougar wheels with 225/50/16 kumho 712s
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