The Toyota UR engine family is a 32-valve quad-camshaft V8 piston engine series which was first introduced in 2006, starting with the 1UR-FSE engine with D4-S direct injection for the 2007 Lexus LS.
The Toyota UR engine family is a 32-valve quad-camshaft V8 piston engine series which was first introduced in 2006 as the UZ series it replaced began phasing out. Production started with the 1UR-FSE engine with D4-S direct injection for the 2007 Lexus LS.