Quote:
Originally Posted by Chris_f
Great to have so many options. What sort of weight penalty in rotational mass does the 355mm radical kit entail?
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Almost none. The OEM 293x24mm front discs weigh a hair over 17 lbs., and our 355x32mm J Hooks only add about half a pound despite the enormous difference in both diameter and thickness.
Our Radi-CAL six piston calipers also weigh considerably less than the stock units, so the overall unsprung weight for the entire corner doesn't go up either. As displayed above (thank you Pat!), our 355mm kits still allow you to squeeze them inside some 17" wheels and lots of 18" wheels (including the OEM 18's).
You get a huge thermal increase, without actually adding any unsprung weight, and you can run lightweight wheels and tires. Win, win, win.
Below is a chart with specs for the OEM brakes vs. all our AP Racing by Essex options:
