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