Bosch 7431 0242140528 YR6TII330T Double Iridium Spark Plug

Ultra fine wire iridium firing pin and iridium ground electrode inlay provide higher performance. Laser weld provides superior retention of iridium alloy to the ground electrode. 0.6 mm fine wire firing pin for better ignitability and durability. Copper core helps prevent pre-ignition and fouling. Nickel-plated shell and rolled threads provide anti-seize and corrosion protection. Ribbed insulator prevents flashover.

• Shell
• Thread Diameter12mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach26.5mm (1.04")
• Hex Size5/8" (16mm)
• Terminal TypeSolid
• Gap.031" (0.8mm)

• Center Electrode
• MaterialIridium
• TypeFine Wire
• Size0.6mm
• ProjectionProjected

• Ground Electrode
• MaterialIridium
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Resistor Value6K Ohm
• Heat Range6
• FeaturesExtended metal shell
• Torque SpecsCast Iron: 11-18 lb. ft. Aluminum: 11-15 lb. ft.

• Part Information
• BrandBosch
• WarrantySatisfaction Guarantee
• Longevity100k Miles

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