The Penray Chemical Service Kits include cleaners, protectants, conditioners and lubricants needed to restore performance. These kits keep vehicle systems working at optimum levels and help extend service life, according to the company. Each kit includes two or three task-specific preventive maintenance chemicals designed to clean, rejuvenate and fortify vehicular systems and their fluids, helping to maximize performance and extend vehicle life.These kits are designed for professional use only, taking advantage of the tools, techniques and expertise found in professional repair shops. Penray provides a Lifetime Preventive Maintenance Protection Plan and all kits are developed, compounded, blended and packaged in the USA.