IW16 Iridium Power Spark Plug
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Denso IW16 Iridium Power Spark Plug

Part No. 5305 Warranty Details  
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Iridium power performance upgrade with small center electrode (0.4 mm diameter); tapered-tip U-groove design; Ir alloy (90% Ir).

Product Features:
  • Iridium power performance upgrade with small center electrode (0.4 mm diameter), tapered-tip U-groove design and Ir alloy (90% Ir)
  • 100% pre-fired to assure high quality
  • Copper-glass seal bonds the center electrode and insulator together for a gas-tight seal; maintains proper heat and excludes hot combustion gases
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
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Electrode Core Material:Copper
Electrode Tip Material:0.4mm Iridium
Ground Strap Quantity:1
Insulator Type:Purified Alumina
Manufacturer Heat Range:16
Material:0.4mm Iridium
Reach:3/4 in
Seat Type:Gasket
Thread Diameter:14 mm
Tip Configuration:0.4mm Iridium
Type:Iridium Power
Wrench Diameter:13/16 in
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