Check the listing for details. Royal Purple 01335 Max-tuff Assembly Lube 8oz. Color: NONE, Size: NONE, Condition: New. Listed at 27.98 USD. Product DescriptionMax-Tuff is an ultra-tough, synthetic lubricant. It’s designed for engine builds and repairs, specifically crankshaft, camshaft and rod bearing assembly. Max-Tuff utilizes unique, synthetic molecules that adhere to metal surfaces to create a formidable, load bearing physical barrier between surfaces. This minimizes the metal-to-metal contact and wear in boundary lubrication conditions, and provides excellent protection against rust and corrosion of both ferrous and nonferrous metals.Features & BenefitsGreater Wear ProtectionClean, Efficient EquipmentExtends Equipment LifeCompatible With Conventional Mineral And Synthetic OilsNon-FoamingOutstanding Rust/Corrosion ProtectionHigh Temperature Service Capability