NGK SIZKBR8B8HG Laser Iridium Spark Plug (91874)

NGK SIZKBR8B8HG Spark Plug – Stock No. 91874 This NGK high-performance iridium spark plug is designed for reliable ignition under hard use. It delivers a strong, consistent spark for smoother idle, clean combustion, and dependable power. Built for modern turbo petrol engines and tuned applications, it resists fouling and maintains its gap over a long service life. Why choose this plug Iridium centre electrode for a sharp, stable spark and long life Platinum-tipped ground electrode for durability and consistent gap Resistor design to reduce electrical noise that can affect the ECU Heat range 8 for performance and high-load conditions Part Number SIZKBR8B8HG NGK Stock Number 91874 GTIN 87295918746 Category 686 – Spark Plug Thread Diameter M14 x 1.25 Reach (thread length) 26.5 mm Hex Size 16 mm (bi-hex) Seat Type Flat seat with gasket Heat Range 8 (NGK scale) Resistor Yes Centre Electrode Iridium tip Ground Electrode Platinum pad Factory Gap 0.8 mm (check and adjust only if specified by the vehicle manufacturer) Terminal Type Solid terminal Tip Projection Projected Fitment guidance Use the vehicle lookup on our site or check the Vehicle Fitment tab to confirm compatibility with your engine. Installation notes: Always install on a cold engine. Apply no anti-seize unless specified by the manufacturer. Torque to the vehicle’s specification (typical NGK guidance for M14 gasket seat is 18-25 Nm). Re-check coil connections after fitting. The price displayed is for a single plug, please add the desired amount to your basket. Additional Information Weight 0.05 kg Dimensions 10 × 3 × 3 cm Brand NGK