Hilliard Winter Championship
Light Pro Stock 13" hitch - 1050#
37.5 cubic inch single cylinder, air cooled four cycle.
Carburetor must be a stock appearing Kohler type.
1.200 venturi carburetor, no fuel injection allowed.
Any ignition is allowed.
Stock head bolt pattern. Two valves on the same side.
Billet heads allowed.
Tractors must have grill and hood.
56 inch wheel base maximum.
Wheelie bars, brakes, safety shields required.
Front pulley - 8” O.D. max.
Must have flywheel and clutch shields in place.
Must have working kill switch and dead man throttle.
Tire size 26x12x12 max. Any tire allowed.
Firesuit and helmet required. Tractors must be clean and painted.
No pressure tanks and no nitrous oxide.
*All Hilliard general and safety rules will be strictly enforced.*