Name: NGK Spark Plugs 4055 NGK Iridium IX Spark Plug
SKU: 4055
Price: 8.99 USD
Availability: InStock

NGK SPARK PLUGS part description

BPR7EIX S-PLUGS

Product Description

NGK Iridium IX Spark Plug

Features & Benefits

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

Product Attributes

Stock Number	4055
Part Number	BPR7EIX
Resistance	5000.0 82
Ground Electrode Tip Design	Taper Cut
Ground Configuration	J-Gap
Ground Electrode Core Material	Nickel
Electrical Terminal Type	Removable Nut
Center Electrode Core Material	Copper
Center Electrode Tip Material	Iridium
Pre-Gap Size	.032 IN
Ground Electrode Quantity	1
Hex Size	13/16 IN
Insulator Height	55.00 MM
Manufacturer Heat Range	7
Seat Type	Flat
Reach	0.750 IN
Thread Diameter	14.00 MM
Short Style Spark Plug	No
Service Number	BPR7EIX
Washer Included	Yes
Grade Type	Performance
Hex Size	13/16"
Insulator Height	2.20 IN
Thread Diameter	0.551 IN
Insulator Material	Ceramic
Resistor Type	Yes
6648	0.0 IN
Ground Electrode Tip Material	Nickel
9459	No
9506	0.14 IN
9608	Fine Wire
9745	Crush
9805	Mid Projection

Additional Information

Harmonized Tariff Code (HTS)	8511100000
Warranty Time UOM	MO
Warranty Time	2
Country of Origin (Primary)	JP
UPC	00087295140550
VMRS Code	033003005
UNSPSC	26101732

Part Interchanges

Fits Vehicles

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Yamaha XJ750R Seca (1981-1983)
Yamaha SR250T (1981)
BMW R65LS (1981-1985)
Yamaha XT250 (1980-1983)
Yamaha XS850 (1980-1981)
Yamaha XJ650 Maxim (1980-1983)
Yamaha TT250 (1980-1982)
Yamaha SR250 (1980-1982)
Suzuki TS250 (1980-1981)
Suzuki TS185 (1980-1981)
Yamaha SR500 (1978-1979)
Suzuki DS80 (1978-1995)
BMW R65 (1978-1987)
BMW R45 (1978-1985)
BMW R100T (1978-1980)
BMW R100RT (1978-1985)
Yamaha XS750 (1977-1979)
Yamaha XS650 (1977-1981)
Yamaha XS400 (1977-1981)
Yamaha XT500 (1976-1979)
Yamaha TT500 (1976-1981)
BMW R60/7 (1976-1979)
BMW R100S (1976-1980)
BMW R100RS (1976-1984)
BMW R60/6 (1973-1976)
BMW R60/5 (1969-1974)
BMW R50/5 (1969-1973)
Lamborghini 350GT (1964-1966)
Alfa Romeo GTC (1964)
Alfa Romeo Giulia (1964-1967)
Lotus Esprit (1989-1991)
Peugeot 304 (1971-1972)
Mercedes-Benz 300SL (1954-1959)
Maserati Mistral (1968-1970)
Lotus Seven (1969-1975)
Lotus Europa (1967-1975)
Lotus Elan (1962-1975)
Lamborghini Miura (1966-1972)
Lamborghini Islero (1968-1970)
Lamborghini 400GT (1966-1968)
Fiat 850 (1967-1973)
Ferrari 365 GTS/4 (1970-1974)
Ferrari 365 GTS (1968-1970)
Ferrari 365 GTC/4 (1971-1972)
Ferrari 365 GTC (1968-1970)
Ferrari 365 GTB/4 (1968-1974)
Ferrari 365 GT4 BB (1974)
Ferrari 365 GT (1968-1970)
Alfa Romeo GTV (1967-1968)
Alfa Romeo GT Veloce (1969-1974)
Alfa Romeo Giulia Sprint (1967-1968)
Alfa Romeo Duetto 1600 (1967-1968)
Alfa Romeo Berlina (1969-1971)
Audi Quattro (1983-1986)
Maserati Spyder (1986-1987, 1989-1991)
Maserati Biturbo (1987)
Maserati 425 (1986-1987)
Maserati 228i (1989-1990)
Ferrari GTO (1984-1987)
Ferrari Dino 308 GT4 (1973-1979)
Ferrari 365 GT4 (1973-1976)
Ferrari 308 GTSi (1981-1982)
Ferrari 308 GTBi (1981-1982)
Ferrari 308 GTS (1977-1980, 1982-1984)
Ferrari 308 GTB (1975-1980, 1982-1984)
Audi 5000 (1984-1985)
Audi 100 Series (1972-1977)
Mitsubishi Lancer (2003-2005)
Mitsubishi Starion (1989)
Mitsubishi Mirage (1985-1988)
Mitsubishi Tredia (1984-1988)
Mitsubishi Cordia (1984-1988)
Honda Civic (1978-1979)
Plymouth Colt (1984-1986)
Dodge Colt (1984-1990)
Chrysler Conquest (1989)
Lamborghini Jarama (1970-1976)
Lamborghini Espada (1968-1978)
Lamborghini Countach (1974-1976, 1981-1982)
Alfa Romeo Spider (1969-1994)
Alfa Romeo Milano (1987-1989)
Alfa Romeo 164 (1991-1993)
Porsche 944 (1989)
Porsche 924 (1977-1982)
Porsche 911 (1969-1977, 1980-1983)

Headquartered in Wixom, Michigan, NGK® is a global leader in the design and manufacture of spark plugs for virtually every automotive and commercial vehicle application. It has grown immensely since its inception in 1936 with the expansion of its ignition product line and the introduction of its technical sensor and vehicle electronics line. NGK partners with OEMs and uses only the latest cutting tools to ensure each NGK product meets OE specifications for exact fit, form, and function. With world-class quality and engineering, NGK’s expertise goes beyond manufacturing the most reliable spark plugs for the automotive industry but also providing the best customer service possible.

California Proposition 65 Warning

WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. (Read more)