Since 1978, motorists have relied on Slick 50’s superior technology to protect their vehicle’s vital parts from friction & wear, so they can achieve the performance they crave today and down the road. From Engine Treatments to Fuel System Cleaners to Transmission Treatments, Slick 50 products are formulated with superior chemistry to ensure they clean, protect and optimize performance of critical systems. For years, Slick 50 has increased engine performance and helped protect your investment. Now the inventors of the engine treatment are releasing customized formulas that will Supercharge your vehicle’s performance and Recharge performance in your high-mileage vehicle. Slick 50 Supercharged products are custom designed to get maximum horsepower and ultimate performance from your vehicle. Supercharged technology fights power robbing friction and heat to unleash your vehicle's performance. Slick 50 Recharged products are designed specifically to restore performance to your high-mileage vehicle. As your vehicle gets older it may suffer from wear and tear associated with high-mileage. Slick 50 Recharged technology helps protect your investment and recharge your engine’s performance. POUR IT IN. POUR IT ON.

When your engine is at its best – You Just Know. Car lovers have been discovering the performance maximizing benefits of Slick 50 for over 30 years. They know their engine is at its best and love to tell the story. Check out these stories from Slick 50 fans. Visit our Facebook page and tell us how You Just Know. Adding one bottle of Slick 50 Supercharged Synthetic Engine Treatment (15oz.) produced a dyno run that yielded an increase of 10hp.