Spec Fuel and Oil must be purchased through the series for all classes.  The Spec Fuel is Sonoco Supreme and the Spec Oil is Motul Kart Gran Prix.  The recommended fuel/oil mixture is 16:1 for all classes.

“Fuel for the Briggs and Stratton 206 categories will utilize a local fuel station near the facility the Challenge is competing at, which will be announced prior to each weekend.”