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  See more parts for Buick Apollo
Select the year of your Buick Apollo:
NGK Iridium IX Spark Plug Box of 4 (YR5IX) - 7516
NGK Iridium IX Spark Plug Box of 4 (YR5IX) - 7516 - Image 3 NGK Iridium IX Spark Plug Box of 4 (YR5IX) - 7516 - Image 2 NGK Iridium IX Spark Plug Box of 4 (YR5IX) - 7516 - Image 3
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: YR5IX
  • Stock Number: 7516
  • 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: .040
  • 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 #ngk7516
NGK Spark Plugs #YR5IX

Proposition 65

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

Vehicle
1973-1974
 Buick Apollo
1970, 1972-1974
 Chevrolet Bel Air
1970, 1972
 Chevrolet Biscayne
1970-1974
 Chevrolet Blazer
1972
 Chevrolet Brookwood
1970-1986
 Chevrolet C/K 10
1970-1986
 Chevrolet C/K 20
1970-1986
 Chevrolet C/K 30
1970, 1972-1974
 Chevrolet Camaro
1970, 1972-1974
 Chevrolet Caprice
1970-1973
 Chevrolet Chevelle
1970, 1972-1974
 Chevrolet Corvette
1969-1974, 1976-1979
 Chevrolet El Camino
1975-1983
 Chevrolet G10
1970, 1972-1974
 Chevrolet G10 Van
1975-1986
 Chevrolet G20
1970-1974
 Chevrolet G20 Van
1978-1988
 Chevrolet G30
1970, 1972-1974
 Chevrolet Impala
1975-1981
 Chevrolet K5 Blazer
1972
 Chevrolet Kingswood
1973-1975
 Chevrolet Laguna
1973-1974
 Chevrolet Malibu
1970-1974
 Chevrolet Monte Carlo
1970, 1972-1974
 Chevrolet Nova
1975-1979
 Chevrolet P10
1970, 1972-1974
 Chevrolet P10 Van
1975-1989
 Chevrolet P20
1970-1974
 Chevrolet P20 Van
1975-1989
 Chevrolet P30
1970-1974
 Chevrolet P30 Van
1987
 Chevrolet R/V 20
1987-1988
 Chevrolet R/V 30
1987-1988
 Chevrolet R20
1989
 Chevrolet R3500
1970, 1972
 Chevrolet Townsman
1987-1988
 Chevrolet V30
1989
 Chevrolet V3500
1970-1978
 GMC C/K 15
1979-1986
 GMC C/K 1500
1970-1978
 GMC C/K 25
1979-1986
 GMC C/K 2500
1973-1978
 GMC C/K 35
1979-1986
 GMC C/K 3500
1978-1979
 GMC Caballero
1979-1983
 GMC G1500
1979-1983, 1985-1986
 GMC G2500
1982-1988
 GMC G3500
1970-1981
 GMC Jimmy
1981-1987, 1989
 GMC P2500
1981-1989
 GMC P3500
1987-1988
 GMC R2500
1987-1989
 GMC R3500
1972-1976
 GMC Sprint
1987
 GMC V2500
1987-1989
 GMC V3500
1972
 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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