Cardone Select Engineered (CSE) Technology ensures that all Cardone Select New Rack and Pinion units meet or exceed O.E.M. performance. CSE Technology is based on over 40 years of reverse-engineering expertise, where original design weaknesses are identified and improved, resulting in premium-quality, brand-new parts you can rely on. All units adhere to strict S.A.E. specifications and are 100% tested to ensure reliable, long-lasting performance.