Minnesota-based industry leader in skis for all models of sleds and rider abilities returns as a longtime sponsor of AMSOIL Snocross beginning at Duluth For more information contact: Pat Schutte, PR Director, ISOC Racing (734) 369-2170; pat@ISOCRacing.com Minneapolis – Nov. 16, 2011 – First thing to cross the finish line and grab the checkers in AMSOIL Championship Snocross is the …