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What if I have a hard-top for my convertible?

Our specific requirement for school eligibility is for factory-installed structural (i.e., permanently welded steel) A- and C-pillars.  Attaching a lift-on "hard top" on a convertible does not qualify, even if it is a factory "hard-top."  The reason is that such lift-on hard tops will not support the roof side-loads that one may encounter in a rollover, because the attachment points will yield, rather than transmit the stresses into the vehicle chassis.  Roof deformation is one of the most significant hazards to occupant safety, and welded attachment points provide far better protection than pins or latches.

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