Spark Plugs

Features0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potentialU-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenchingDENSO patented 360 degree laser welding process:...

Features0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potentialU-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenchingDENSO patented 360 degree laser welding process:...

Features0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potentialU-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenchingDENSO patented 360 degree laser welding process:...

FeaturesDenso # 4045Denso Traditional Nickel Spark PlugU-Groove Ground ElectrodeDenso # 4045 Denso Traditional Nickel Spark Plug U-Groove Ground ElectrodeDenso's standard plugs have always offered a patented U-groove ground electrode producing for a...