Genuine NGK Iridium IX plug (ER9EHIX / 96652). OEM upgrade for engines originally using ER9EH. NGK ER9EHIX Spark Plug. High-revving sport bikes (e.g. Honda RVF400, VFR400). Ultra-fine iridium center electrode (≈0.6–0.8 mm) for precise spark.
x4 Genuine NGK ER9EHIX Spark Plug Iridium Upgrade ER9EH 4 Pack Honda RVF400
Genuine NGK ER9EHIX Spark Plug Iridium 96652 Upgrade from NGK ER9EH
X4 Genuine NGK Spark plug CR10EK 2360 YAMAHA R6 600 1999-2005
Genuine NGK Spark Plug CR9EK X4 Triumph 600 Daytona Speed four TT 650 99-12
Genuine NGK CR8E Spark Plug x4 Suzuki GSF 650 S UA Bandit
Genuine NGK BPR6ES Stock no 7822 x4 Four Honda Briggs Stratton Generator
