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This was a 7.50 at the time... now its 8.50 due to
some changes they made in the rules



Wow that's a lot of bars! Might just stick with regular cage, besides what ever i do it will be out dated in a couple years any way



8.50 cert isnt hard to do and is well worth it for
rigidity and safety... yes they have to be checked
every couple years but if you want to drive quicker
than 10.0 then you have to have it.... the $35 for
the drawings from SFI is money well spent