Hello again all ! I am getting ready to change the crankshaft in my 2003 Predator 500 and I see you need a list of special tools as usual. My Question is does anyone know if I really need the MAG End Crankshaft installer/Remover? the other question is do I really need the MAG End Crankshaft NUT Remover/Installer? Please let me know any info would be a huge help thanks!!