Brisk Iridium Racing spark plugs comes with a shell shoulder and iridium contact on centre electrode. Suitable for supercharged racing engines. The construction ensures huge resistance against vibrations and high stress. Short ground electrode with small radius. The shell shoulder protects the active parts of the spark plug from sudden pressure and temperature changes.
Contact our service crew if you are unsure which plugs suit your car.
Each box comes with a set of 4 spark plugs.
Max replacement interval: 50 motohodin (Racing) / max. 45,000 km (Tuning).