Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary; Bosch advices not to lubricate the thread: Requested tightening torque or angle see on package High wear resistance: precious metal alloy at the center electrode High Robustness: special ceramic material with high dielectric and mechanical strength; high gas tightness due to hot shrink assembly Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread High durability: service life according to vehicle manufacturers requirement Please use the vehicle identification to confirm compatibility with your vehicle: All restrictions must be observed Please note that the specified OE reference numbers do not constitute an exhaustive list: Use the parts search tools at the top of this page to find out the correct spark plug for your vehicle