Complex sentence: ANDRA Pro Series is the Six Group 1 classes representing the pinnacle of ANDRA Championship Drag Racing these include Top Fuel, Top Doorslammer, Top Alcohol, Top Bike, Pro Stock and Pro Stock Motorcycle.
Split into simpler sentences: ANDRA Pro Series is the Six Group 1 classes representing the pinnacle of ANDRA Championship Drag Racing. These include Top Fuel, Top Doorslammer, Top Alcohol, Top Bike, Pro Stock and Pro Stock Motorcycle.