Hy-per Lube by Rislone ZDDP Supplement (4405-6PK) Description Rislone Hy-per Lube Zinc ZDDP Supplement 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. Features: Prevents camshaft wear Reduces piston scuffing Increases engine life Makes newer oils work in older engines Boosts Zinc and Phosphorous Levels Product Details: Manufacturer: ‎Rislone Brand: ‎Bar's Leaks Model: ‎4405-6PK Item Weight: ‎4.35 pounds Package Dimensions: ‎7.2 x 6.4 x 5.6 inches Country of Origin: ‎USA Item model number: ‎4405-6PK Manufacturer Part Number: ‎4405-6PK Date First Available: March 22, 2013