For nasa and scca door to door hpde you need the petty bar variation of the harddog m3 sport below all the other choices good for average track days and autocross.
Miata nc hardtop roll bar.
These bars will be drop shipped from the manufacturer.
Even with a petty bar the height of the bar is limited by the top.
For cars with a soft top the taller hard dog sport is also available and recommended.
In july 2006 mazda debuted a power retractable hard top prht version of the nc with a two piece folding hardtop named mx 5 roadster coupé in europe roadster power retractable hard top in japan and mx 5 miata power retractable hard top in the u s.
The top on the 2006 15 nc miata is great quiet compact easy to put up and down.
The power hardtop is even cooler allowing the car to be both a coupe and a convertible.
I d guess that 90 percent of the roll bars in mazda miatas are hard dog.
The blackbird fabworx gt3 style na miata roll bar so hot right now hard dog.
And known to hpde inspectors as a safe option for weekend racers.
It s a classic it s reliable it s well established and it s the coca cola of miata roll bars.
Works with factory soft top and removable hardtop but does not work on a mx 5 with the power retractable hardtop prht.
This replaces the factory cross bar with one that is integrated into the rollbar and provides a mounting point for harnesses.
Miata roll bars safety mazda mx 5 miata harddog hard bar m1 sport 1990 1997 the hard bar sport uses the same main hoop as the hard bar but with the addition of larger bolt in main hoop mounting plates and rear braces that mount to the structural framework inside the rear wheel wells.
These bars are usually kept in stock.
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It s a similar price and construction though it s only two inches taller than the oem hoop structure rather than four inches taller.
But they both prevent a proper roll bar from being installed.
This roll bar replaces the factory hoops and provides an additional 3 of height over the factory roll bar.
Notice that owners of power retracting hardtops must get on the prht version below.
Miata mx5 nc 2006 2015 roll bars.