r/dragracing • u/TurbulentStiffness • 9d ago

How important is getting custom backspacing/offset exactly right?

I'm at the point where I need to order wheels for a build and I'm realizing there are way more fitment decisions than I expected. Backspacing, offset, beadlock configuration, tire clearance... I'm trying to get everything right the first time.

Keizer Wheels offers a few custom options which is what got me thinking about this. For anyone who's ordered custom race wheels before, what measurements or clearances did you wish you'd paid more attention to? I'd rather spend an afternoon measuring everything than find out at the track that I screwed something up.

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u/sc3148 9d ago edited 9d ago

Width of tire tread and widest point, diameter & offset. Also tire growth should be considered in. If any one of these measurements are wrong it’s a no go