NGK SILFER8C7ES Spark Plug (Stock No. 94712) This NGK Laser Iridium spark plug is built for stable ignition and long life. It uses a fine iridium centre electrode and a platinum-tipped ground electrode for strong sparks with less voltage. That helps cold starts, smoother idle, and reliable performance under boost. Heat range 8 suits many modern high-output petrol engines and tuned setups where extra knock resistance and cooler running at the plug are useful. Fine-wire iridium centre for a strong, consistent spark Platinum ground pad for long service life Resistor design to reduce electrical noise for the ECU Specification Value Part Category 686 – Spark Plug Part Number SILFER8C7ES NGK Stock Number 94712 GTIN 87295947128 Electrode Type Laser Iridium centre with platinum ground pad Heat Range 8 (NGK scale) Resistor Yes Factory Gap 0.7 mm (do not re-gap unless specified by the manufacturer) Thread Diameter 12 mm Thread Reach 26.5 mm Hex Size 14 mm Seat Type Tapered Terminal Solid Fitment guidance This plug suits select modern direct-injection turbo petrol engines that specify a 12 mm thread, 26.5 mm reach, and heat range 8. Use our vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details. Note: Always tighten to the torque specified by your vehicle manufacturer. Over- or under-tightening can damage the plug or cylinder head. 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
