Question: What FIA drag racing class is similar to the Australian Top Doorslammer clas?
Sentence (from "Drag boat racing"): There are three standard drag race course lengths, 660 feet (1/8 mile), 1,320 foot (1/4 mile), and the most common length, used in professional drag boat racing, 1,000 feet (3/16 mile plus 10 feet).
Relevant evidence: No