For nearly 50 years CRC has gained the respect of technicians drivers and distributors alike by providing superior quality products they can count on and you can too. From brake and electrical maintenance to grease gear oil and diesel additives CRC has got you covered. Our ISO 9001:2000 certified R&D and manufacturing facilities focus on new technology quality and consistent manufacturing. CRC is committed to leading the way with cutting edge products to better serve the professional technician and the do-it-yourselfer. Using Nanotechnology this product fills in cracks and crevices other products can t making a stronger more solid bond that s permanently hardened to the surface area.