New AMSOIL Break-In Oil (BRK) is an SAE 30 viscosity grade oil formulated without friction modifiers to allow for quick and efficient piston ring seating in new and rebuilt high-performance and racing engines. It contains anti-wear additives to protect cam lobes, lifters and rockers during the critical break-in period when wear rates are highest, while its increased film strength protects rod and main bearings from damage. AMSOIL Break-In Oil provides Dealers access to engine builders, race teams and car enthusiasts actively seeking a quality break-in oil.
I have been selling and using Amsoil products since 2008. I will not sell any product I don't use myself. Your cars will last for 150K+ miles with no problems. I have a 2004 Toyota truck with 217K miles and a 4runner with over 170K miles running fine. Cell: (702) 994-4646