Rislone 4405 Hy-per Lube Zinc ZDDP Supplement, 11 oz. | Real Pack of 1 Product Details Manufacturer: Rislone Brand: Rislone Model: 4405 Item Weight: 11.8 ounces Product Dimensions: 1.8 x 3 x 6.6 inches Item model number: 4405 Is Discontinued By Manufacturer: No Manufacturer Part Number: 4405 Brand: Rislone Vehicle Service Type: Car Manufacturer: Rislone Liquid VolumePackage Information: 11 Fluid OuncesBottle BOOSTS ZINC AND PHOSPHOROUS LEVELS: A petroleum oil performance ?booster? containing ZDDP (zinc dialkyldithiophosphate) Zinc and Phosphorous EP (extreme pressure) additives along with mixed esters to help protect internal engine components including pistons, flat tappet camshafts, lifters, pushrod tips and the rest of the valve train. REDUCES FRICTION AND WEAR: Especially at start-up, helping to eliminate dry starts. Less friction means less wear and a cooler running, longer lasting engine. REDUCES PISTON SCUFFING: High performance formula stabilizes the motor oil to insure against viscosity and thermal breakdown. INCREASES ENGINE LIFE: Clinging action keeps bearings and other internal engine parts lubricated where normal oil fails. Made in the USA Hy-Per Lube By Rislone Concentrated Oil Supplement With Zinc Treatment Is A Petroleum Oil Performance Supplement "Booster" Containing Zddp (Zinc Dialkyldithiophosphate). Zinc And Phosphorus Ep (Extreme Pressure) Additives Help Protect Internal Engine Components Including Pistons, Flat Tappet Camshafts, Lifters, Pushrod Tips And The Rest Of The Valve Train. High Performance Formula Stabilizes The Motor Oil To Ensure Against Viscosity And Thermal Breakdown. Reduces Friction And Wear, Especially At Start-Up, Helping To Eliminate Dry Starts. Less Friction Means Less Wear And A Cooler Running, Longer Lasting Engine. Makes Newer Oils Work In Older Engines.