Genuine Authentic NGK 2978 Spark Plug Laser Platinum BKR6EP11 4 Pack


32 in stock

Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 19mm (3/4")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .043" (1.1mm)

Center Electrode
Material: Platinum
Type: Fine Wire
Size: 1.0mm
Projection: Projected

Ground Electrode
Material: Nickel
Type: Standard
Quantity: 1

Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 6

Torque Specs
Cast Iron: 18-25.3 lb. ft.
Aluminum: 18-21.6 lb. ft.

Brand: Brand: NGK
SKU SKU: 2978-4K
Mfg Part #: 2978


2978 / BKR6EP11 NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Copper core aids in heat removal
Triple seals prevent leakage

Additional information

Weight .46 lbs



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SKU: 2978-4K Category: