Detroit Speed recommends using the magnetic ride control shock simulator kit from X-ineering Electronics. Visit their site at www.xineering.com. The Detroit Speed Rear Coilover Kit allows you to lower the factory ride height by 1-1/2" or more from the factory ride height. If you choose to lower your Camaro by this amount, Detroit Speed recommends using the provided helper springs and spring dividers. If you plan on lowering your ride height by 1" or less, the helper springs and spring dividers are not necessary. The purpose of the helper springs, is to prevent the coilover springs from losing its pre-load when the suspension is in full droop, such as when you raise the vehicle on jack stands and the rear suspension is hanging all the way down until the shocks reach full extension.