Thread: NHRA rules
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02-11-2008 02:47 PM #4
Roll BAR 1 3/4" (No A-pillar bar, no halo bars) Minimum 0.118" mild steel, 0.083" moly
Originally Posted by Dave Severson
Roll CAGE 1 5/8" (with A-bar, halo bars) same wall as aboveLast edited by techinspector1; 02-11-2008 at 03:45 PM.





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