The axle is straight, the splines and threads are good.

O.E.M Part Number 5020504

Make	Model	Year	Submodel
Polaris	300	1995	All
Polaris	300	1994	All
Polaris	400L	1994	All
Polaris	Big Boss 250	1992	All
Polaris	Big Boss 250	1991	All
Polaris	Big Boss 250	1990	All
Polaris	Big Boss 250	1989	All
Polaris	Sport 400L	1995	All
Polaris	Sport 400L	1994	All
Polaris	Sportsman 400	1993	All
Polaris	Trail Blazer 250	1995	All
Polaris	Trail Blazer 250	1994	All
Polaris	Trail Blazer 250	1993	All
Polaris	Trail Blazer 250	1992	All
Polaris	Trail Blazer 250	1991	All
Polaris	Trail Blazer 250	1990	All
Polaris	Trail Boss 250	1998	All
Polaris	Trail Boss 250	1997	All
Polaris	Trail Boss 250	1996	All
Polaris	Trail Boss 250	1995	All
Polaris	Trail Boss 250	1994	All
Polaris	Trail Boss 250	1993	All
Polaris	Trail Boss 250	1992	All
Polaris	Trail Boss 250	1991	All
Polaris	Trail Boss 250	1990	All
Polaris	Trail Boss 250	1989	All
Polaris	Trail Boss 350L	1992	All
Polaris	Trail Boss 350L	1991	All
Polaris	Trail Boss 350L	1990	All