Partzilla Arenacross Championship Becomes the AMA National Championship for Arenacross

Partzilla Arenacross Championship Becomes the AMA National Championship for Arenacross FOR IMMEDIATE RELEASE: Historic Achievement Marks New Era for Professional Arenacross Racing CLARKSVILLE, TN – The American Motorcyclist Association (AMA) has officially selected the AMA Partzilla Arenacross Championship as the AMA National Championship for Arenacross, cementing the series as the premier Arenacross championship in the United States. In just three short years, the Partzilla Arenacross Championship has grown from a