NGK BKR9EIX Spark Plug

Performance Iridium spark plugs with a heat range of 8 for tuned engines. Replaces the original PFR8S8EG spark plugs in the Audi 3.0T supercharged engine for longer life and better durability for Stage 2+ setups. For Stock/Stage 1/Stage 2 setups, we recommend the hotter BKR8EIX. Features: 0.6mm Center Electrode Enhanced Ignitability Trivalent Metal Plating Shell: Thread Size: 14mm Thread Pitch: 1.25mm Seat Type: Gasket Resistor: Yes Resistor Value: 5K Ohm Reach: 19mm (3/4") Hex Size: 5/8" (16mm) Terminal Type: Solid Overall Height: ISO Gap: 0.031" (0.8mm) Center Electrode: Material: Iridium Type: Fine Wire Size: 0.6mm Projection: Projected Ground Electrode: Material: Nickel Type: Standard Shape: Taper Cut Quantity: 1 Specifications: Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft. Brand: NGK Heat Range: 8 Longevity: 40-50k Fitment: Audi 3.0T EA837 Supercharged (one step colder, longer lasting) Audi 2.7T (three steps colder) VW FSI/TSI (pre-EA888.3) (two ste