Denso 5502 VW20T Iridium Plus Spark Plug

Denso Iridium Power spark plugs feature a 0.4mm iridium tipped laser welded fine wire center electrode that reduces required voltage and improves firing performance. Tapered cut U-Groove platinum tipped ground electrode increases ignitability, decreases quenching, and increases life. High strength insulator for LPG engines improves strength by 20% over standard insulators. Machine rolled threads prevent seizing or cross threading during installation and removal. 100% pre-fired to assure the highest quality possible. Purified alumina powder insulator provides exceptional strength and thermal conductivity. Five rib insulator prevents flashover. Copper-glass seal bonds center electrode and insulator for a gas-tight seal.

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size13/16" (21mm)
• Terminal TypeSolid
• Overall HeightJIS
• Gap.031" (0.8mm)

• Center Electrode
• MaterialIridium
• TypeFine Wire
• Size0.4mm
• ProjectionProjected

• Ground Electrode
• MaterialPlatinum
• TypeStandard
• Quantity1

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range20
• FeaturesHigh strength ceramic insulator for LPG engines
• Torque SpecsCast Iron: 26-30 lb. ft. Aluminum: 15-22 lb. ft.

• Part Information
• BrandDenso
• Warranty12 Months
• Longevity80k-100k Miles

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