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I want to drop my '05 sedan (ES1) about 1.5-2.0 inches and maintain zero tire scrub (if that's possible). I'm looking at Rev9 coilovers, which have a range of 1"-3" drop. Ideally, I'd LIKE to be able to put in everything needed as far as bushings so that I can get the full range of adjustment without swapping bushings later if I decide I want to change the ride height. SuperPro offers bushing sets with increased camber in the rear and increased CASTER in the front. I've read other threads so far where camber adjuster kits (talking hardware here - not bushings) are required for anything below 1.5 inches. What about the bushings? When would I need to run increased CASTER (toe in/out) up front?


The plain-jane bushing sets that do not have these concentric style bushings are what I've been looking at so far:

FRONT:
SPF2306K
https://superprousa.com/collections/...l-arm-bush-kit

REAR:
SPF2317K
https://superprousa.com/collections/...l-arm-bush-kit

SPF2318K
https://superprousa.com/collections/...l-arm-bush-kit

SPF2310K
https://superprousa.com/collections/...l-arm-bush-kit


VS. the Increased CASTER version for the FRONT:
SPF2308K
https://superprousa.com/collections/...l-arm-bush-kit

and the Increased CAMBER set for the REAR:
SPF2311K
https://superprousa.com/collections/...l-arm-bush-kit


When would I need the SPF2308K (as opposed to the regular SPF306K) and SPF2311K (as opposed to regular SPF310K) bushing sets? When I adjust my adjustable coilovers from 1.5/1.75-inch drop to, say. a 2.5/3-inch drop?

I would like to be able to pull up to our local drag strip and just raise/lower the coilovers with some wrenches if desired and then put the ride height back before driving home - IF that's even feasible...

 
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After careful review and after speaking to the folks at Superpro, I think I've decided that I'm going to just go with the HardRace bushing kit. I live awful close to the saltwater and I've seen some guys with PU bushings who couldn't get the control arms to drop enough to get the struts out for regular maintenance due to seizing and binding caused by road salt getting in the bushings. Where I live, the RAIN coming off the water has enough salt in it to do that when driving through puddles on the road. Just leaving a note here for posterity's sake. Lord knows there's enough ancient/incomplete threads to be found in the forums without my help adding to them