What is the spark plug gap for ACDelco R45TS when used in a GM 350 HP engine?
The recommended spark plug gap for the ACDelco R45TS spark plug in a GM 350 HP engine is 0.045 inches (1.14 mm). However, always double-check your vehicle's owner's manual for the most accurate and up-to-date specification. The gap may vary slightly depending on the specific year and model of the 350 HP engine.