NGK
More Information for NGK 91578
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NGK 91578  
$16.12
Price
 $0.00
Core
 + Sold in packs of 1x1
Pack
 $16.12
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NGK 91578 Specifications
Center Electrode Core MaterialCopper Core
Center Electrode Tip MaterialIridium
Gap Size0.044 in
Ground Electrode Quantity1
Hex Size14mm
Insulator HeightISO
Manufacturer Heat Range7
Additional Info5K Ohm
Seat TypeSUS Gasket
Reach26.5mm
Thread Diameter12 mm
Ground Electrode Tip DesignDFE
Ground ConfigurationStandard
Ground Electrode Core MaterialCopper Core
Laser Iridium High Ignitability; Pre-Set Gap: 0.044"
Features & Benefits:
  • Platinum disc welded to backside of ground electrode provides long life
  • Trivalent Metal Plating for superior anti-corrosion and anti-seizing
  • Consistent and stable spark
  • Faster starts and quicker acceleration
  • Better fuel economy and lower emissions
Which NGK Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel V-Power
Copper		 ★ ★ ★
Platinum G-Power
Platinum		 ★★ ★★★★ ★
Double Platinum Laser
Double Platinum		 ★★★★★ ★★ ★★
Iridium IX
Iridium IX		 ★★★ ★★★★★ ★★
Iridium Laser
Iridium Laser		 ★★★★★★ ★★★★ ★★★
Ruthenium HX
Ruthenium		 ★★★★★★★ ★★★★★ ★★★★
Videos

Check, Set & Adjust Spark Plug Gaps

OEM / Interchange Numbers: 122905A2A01, 122905A2A010M1, 122905A2A011M1, 122905A2AA010M1

Warranty Information:
60 Days