10w30 Mineral Oil. Royal Purple's break-in oil is formulated from highly refined mineral oil, preferred for engine break-in, with advanced additives containing high levels of zinc and phosphorus. This unique formula optimizes protection of the rotating assembly components such as camshafts and valvetrain from initial start-up wear. Fully formulated, Royal Purple Break-in Oil does not require the use of any other chemical additives.
Application. This Royal Purple 10w30 weight break-in oil is designed for use in newly built engines. Royal Purple recommends using their high performance motor oils after the engine is broken in for maximum engine performance.
Mustang Fitment: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Details >>







