Bullshit I've had the 4.30's and spool in the rear for over 4 years now not 1 issue you just have to know how to drive,and I wouldn't go to the track without a trailer..don't want to be the goof:):):) sitting there broken trying to figure out how I'm getting home seeing as I drove the car to the track..cause' you NEVER know when and if your going to break something:rolleyes::rolleyes:..