So Cal Pro Gas
To be eligible, competitor must have a K&N air and/or oil filter decal affixed to the race vehicle. The K&N air filter must be functional and/or the competitor must have a K&N oil filter in use on the engine of the race vehicle. The competitor must have a 36 square inch K&N decal affixed to the race vehicle. Crankcase ventilation filters or other ventilation filters are not accepted. Competitors will be paid $100 to win and runners-up will be paid $50.