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NGK Iridium IX Spark Plug Box of 4 (UR55IX)
$42.00
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Features:
  • Single Iridium Tip: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • Iridium Alloy Center Electrode: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • Tapered Cut Ground Electrode: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • Solid Copper Core: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Recommended Usage: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Specifications:
  • Part Number: UR55IX
  • Stock Number: 7272
  • Resistance: 5000
  • Ground Electrode Tip Design: Taper Cut
  • Ground Configuration: Standard
  • Ground Electrode Core Material: Nickel
  • Electrical Terminal Type: Non-Removable Nut
  • Center Electrode Core Material: Copper
  • Center Electrode Tip Material: Iridium
  • Gap Size: .060
  • Ground Electrode Quantity: 1
  • Hex Size: 5/8
  • Insulator Height: 53.00
  • Manufacturer Heat Range: 5
  • Seat Type: Tapered
  • Reach: .46
  • Thread Diameter: 14.00
Notes:
  • Gap 0.060"
  • You may need to order more than one of this item for your car.

Other Part Numbers:
NGK Spark Plugs #ngk7272
NGK Spark Plugs #UR55IX

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Vehicle
1984-1992
Buick Century
1983-1991
Buick Skylark
1986-1987
Buick Somerset
1985
Buick Somerset Regal
1985-1990
Chevrolet Astro
1987-1988
Chevrolet Blazer
1984-1986
Chevrolet Camaro
1984-1990
Chevrolet Celebrity
1984-1985
Chevrolet Citation II
1985-1986
Chevrolet K5 Blazer
1987-1993
Chevrolet LLV
1990-1992
Chevrolet Lumina
1978
Chevrolet Monza
1985-1993
Chevrolet S10
1975
Chevrolet Vega
1985-1988
GMC Jimmy
1985-1990
GMC S15
1985-1990
GMC Safari
1991-1993
GMC Sonoma
1985-1987
Oldsmobile Calais
1988-1991
Oldsmobile Cutlass Calais
1984-1992
Oldsmobile Cutlass Ciera
1987-1990
Oldsmobile Cutlass Cruiser
1984
Oldsmobile Omega
1978
Oldsmobile Starfire
1984-1991
Pontiac 6000
1975
Pontiac Astre
1984-1988
Pontiac Fiero
1984-1986
Pontiac Firebird
1985-1991
Pontiac Grand Am
1978
Pontiac Phoenix

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Who is NGK?

NGK is an automotive parts company that was founded in 1936. The company has been in the automotive industry for more than 80 years and they specialize in creating original factory parts to aftermarket automotive parts for a variety of vehicles. Today, the company is widely recognized as the industry leader when it comes to ignition system parts and is trusted by enthusiasts and professional mechanics all over the world.

Reaching the Far Corners of the Globe

NGK has become a global brand is practically visible all over the globe. They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil.

The company utilizes the industry's most advanced manufacturing facility. It houses hi-tech tools that help them create parts that are accurate and precise.

Due to their reputation as a company that provides top quality products, automotive companies have partnered with them to be the leading ignition system supplier. The company's drive to continuously innovate itself and its products has helped the automotive industry move forward.

Purchase NGK at Vivid Racing

If you are in search of high-quality spark plugs, oxygen sensors, and high tension wires that would not leave you hanging on the road, then NGK is the brand for you. With decades of experience under them their belts, you know that they are a company that you could put your trust into. Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles.






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