Rule 2-6 says that convertables must have a "must have a hard top installed and a roll cage which will be effective in the event of a vehicle rolling onto its roof". Will a four point bolt in roll cage to rule 8-1 be acceptable for a convertable in Am class?
[pedant] rule 8-1 states the the roll cage securing plate must be "5 square inch plate". I think this should be "5 inch square plate" [/pedant]