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Michael Colaluca · 06-14-2013, 02:35 AM

Yes they are. We have to use a 9in slick. So whatever you measure across on your drag radial, make sure it doesn't go past that.

I forget the exact measurement that NHRA placed in their rule book. I think it was 9.5 across max including wear?

06-14-2013, 02:35 AM	#2
Michael Colaluca Junior Member Join Date: Aug 2012 Posts: 81 Likes: 0 Liked 0 Times in 0 Posts	Re: Drag radial Yes they are. We have to use a 9in slick. So whatever you measure across on your drag radial, make sure it doesn't go past that. I forget the exact measurement that NHRA placed in their rule book. I think it was 9.5 across max including wear?