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Denso 5304 IK20 Iridium Power Spark Plug CLEARANCE - IK20
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 ground electrode increases ignitability and decreases quenching. 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.

Features:
  • Shell
    • Thread Diameter: 14mm
    • Thread Pitch: 1.25mm
    • Seat Type: Gasket
    • Reach: 19mm (3/4")
    • Hex Size: 5/8" (16mm)
    • Terminal Type: Solid
    • Overall Height: ISO
    • Gap: .043" (1.1mm)
  • Center Electrode:
    • Material: Iridium
    • Type: Fine Wire
    • Size: 0.4mm
    • Projection: Projected
  • Ground Electrode:
    • Material: Nickel
    • Type: U-Groove
    • Shape: Taper Cut
    • Quantity: 1
  • Specifications:
    • Resistor: Yes
    • Resistor Value: 5k Ohm
    • Heat Range: 20
    • Torque Specs: Cast Iron: 26-30 lb. ft. Aluminum: 15-22 lb. ft.
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is Denso?

Denso Corporation is a world-renowned manufacturing company that specializes in creating various automotive components. Based in Kariya, Aichi Prefecture, Japan, it was initially founded as Nippon Denso in 1949. Today, Denso has established itself as one of the largest auto parts suppliers globally.

Global Recognition

Since the company started, it has continuously grown to have 189 subsidiaries with 63 based in Japan, 34 in Europe and the Americas, and 58 in Asia. It has established various facilities in different parts of the globe like Indonesia, Mexico, and India. This allows them to cater to the increasing demand of their customers.

Parts for Every Need

The company offers various automotive parts that are applicable for both diesel and gasoline-powered vehicles. They also have climate control systems, instrument clusters, airbag systems, pre-crash radar systems, and ignition systems such as sparkplugs. With the rise of modern technology, Denso started offering parts for Hybrid vehicles as well. The company has just recently opened its Electrification Innovation Center that focuses on developing products designed for electric-powered vehicles.

Built for Racing

The company has also its fair share of Motorsport experience by developing parts for Toyota backed racing cars such as Toyota Racing Development (TRD) and Toyota Gazoo Racing. They also have cars that participated in the 24 Hours of lemans and Japanese prestigious races such as Super Formula and Super GT.

Purchase Denso Products at Vivid Racing

If you are in search of quality made parts for your vehicle, then Denso is the right brand for you. With years of experience in the business, they have become a trusted brand by various enthusiasts and major automakers. Visit Vivid Racing and check out their list of products that would fit your specific needs.






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