NGK Iridium IX Spark Plugs – BKR7EIX (2667) – 6 Pack

Product Description: Trusted by tuners worldwide, NGK’s BKR7EIX spark plugs deliver sharp ignition response and long-lasting performance. Featuring a 0.6 mm fine-wire iridium center electrode and tapered ground strap, these plugs reduce misfires and promote cleaner, more complete combustion—ideal for VTEC-powered builds and high-revving applications. Fitment: 2006–2011 Honda Civic Si (K20Z3) 2002–2006 Acura RSX Type-S (K20A2 / K20Z1) 2000–2009 Honda S2000 (F20C / F22C1) 1996–2001 Integra Type R (B18C5) 2001–2005 Civic Type R (EP3 / K20A) 2007–2011 Civic Type R (FN2) Also used in JDM K-series and B-series swaps requiring heat range 7 plugs. Specifications: Part Number: BKR7EIX NGK Stock #: 2667 (aka 6988) Thread Size: 14mm x 1.25 Reach: 19mm (¾”) Hex Size: 16mm (5/8″) Seat Type: Gasket Heat Range: 7 Gap: 0.030″–0.032″ (adjustable) Center Electrode: 0.6mm Iridium fine-wire Ground Electrode: Nickel alloy, tapered cut Resistor: Yes (5k Ohm) Torque Spec (Aluminum Head): 18–21.6 lb-ft Made in Japan