NGK
More Information for NGK 6578
{Alternate Inventory Numbers: BPR4ESSOLID}
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NGK 6578  
($1.88/Each)
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NGK 6578 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Electrical Terminal TypeNon-Removable Nut
Gap Size (IN).032
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size (IN)13/16
Insulator Height (mm)55.00
Manufacturer Heat Range4
Part NumberBPR4ES SOLID
Reach (IN).75
Resistance (ohms)5000
Seat TypeFlat
Stock Number6578
Thread Diameter (MM)14.00
Standard; Pre-Set Gap: 0.032"
NGK standard plugs are constructed for long life and optimum performance. NGK Spark Plugs are at the heart of smooth-running engines around the world.

Features & Benefits:
  • Triple-Gasket Sealing Process
  • Corrugated ribs to prevent flashover
  • High dielectric strength
  • Proper heat transfer
  • Consistent Performance
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
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: 0948200288, 1P1D18110, 22401V1414, 22401V1484PC, 22401W8914, 22401Y9214, 22401Y9264, 407518110, 4265, 65, 7222, 805853, 920702112, 920707004, 9470200331, 9470300191, 9470300331, 9807954817, 9807954841, 9807954846, B2401W8914, M805853, MD338492, MS851181

Warranty Information:
60 Days