4" is commonly the limit before you must do SYE, CV Drive shaft, etc. I have a 4" RC and I love it. No vibes with the Transfer Case Drop. All jeeps are different though and can't guarantee you will be vibe free. But the consensus agrees 4" is a safe lift before SYE, etc 99% if the time
RED 1995 Wrangler YJ DD
Front and Rear custom bumpers
4" RC Susp. Lift
33x12.50x15 Firestone Destination MT's
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