Bosch WR9DC+ (N21) - Spark Plugs Nickel - Set of 4

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 reliabilty: excellent cold start behaviour High wear resistance and robustness: special ceramic material with high dielectric and mechanical strength Supports an optimum engine performance: smooth engine operation and steady acceleration Corrosion protection: outstanding engine protection due to anti-seize nickel-plated housing and thread 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