LS 600h V8-5.0L (2UR-FSE) Hybrid (2008)
Spark Plug: Mechanical Specifications
Spark plug
Correct electrode gap for new spark plug ..................................................................................................................... 1.0 to 1.1 mm (0.0394 to 0.0433 in.)
Maximum electrode gap for used spark plug .......................................................................................................................................... 1.3 mm (0.0511 in.)