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NGK Iridium IX Spark Plug Box of 4 (YR55IX)
$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: YR55IX
  • Stock Number: 7588
  • 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: 55.00
  • Manufacturer Heat Range: 5
  • Seat Type: Tapered
  • Reach: .46
  • Thread Diameter: 14.00
Notes:
  • You may need to order more than one of this item for your car.

Other Part Numbers:
NGK Spark Plugs #ngk7588
NGK Spark Plugs #YR55IX

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Vehicle
1975
Buick Apollo
1975
Chevrolet Bel Air
1975, 1977-1978
Chevrolet C/K 10
1975, 1977-1978
Chevrolet C/K 20
1975, 1977-1978
Chevrolet C/K 30
1975
Chevrolet Camaro
1975
Chevrolet Caprice
1975
Chevrolet Corvette
1975, 1978
Chevrolet El Camino
1975-1978
Chevrolet G10
1974
Chevrolet G10 Van
1975-1978
Chevrolet G20
1974
Chevrolet G20 Van
1978
Chevrolet G30
1975
Chevrolet Impala
1975, 1977-1978
Chevrolet K5 Blazer
1975
Chevrolet Laguna
1975
Chevrolet Malibu
1975
Chevrolet Monte Carlo
1975
Chevrolet Monza
1975
Chevrolet Nova
1975, 1977
Chevrolet P10
1975, 1977-1978
Chevrolet P20
1975, 1977-1978
Chevrolet P30
1975, 1977-1978
GMC C/K 15
1975, 1977-1978
GMC C/K 25
1975, 1977-1978
GMC C/K 35
1978
GMC Caballero
1975, 1977-1978
GMC Jimmy
1975-1976
GMC Sprint
1975
Oldsmobile Cutlass
1975
Oldsmobile Omega
1975
Pontiac Firebird
1975
Pontiac LeMans
1975
Pontiac Ventura

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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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