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Description
Denso U-Groove spark plugs feature a u-shaped groove in the ground electrode, giving the flame a groove to grow in, resulting in less flame dissipation and a larger flame front for a more complete combustion. This translates to better fuel efficiency and improved throttle response. Machine rolled threads prevent seizing or cross threading during installation and removal. 100% pre-fired to assure the highest quality possible. Purified alumina powder insulator provides exceptional strength and thermal conductivity. Five rib insulator prevents flashover. Copper-glass seal bonds center electrode and insulator for a gas-tight seal.
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Product Specifications
- Shell
- Thread Diameter14mm
- Thread Pitch1.25mm
- Seat TypeGasket
- Reach12.7mm (1/2")
- Hex Size13/16" (21mm)
- Terminal TypeRemovable Nut
- Overall HeightJIS
- Gap.028" (0.7mm)
- Center Electrode
- MaterialNickel
- TypeStandard
- Size2.5mm
- ProjectionProjected
- Ground Electrode
- MaterialNickel
- TypeU-Groove
- Quantity1
- Specifications
- ResistorNo
- Heat Range22
- Torque SpecsCast Iron: 26-30 lb. ft. Aluminum: 15-22 lb. ft.
- Part Information
- BrandDenso
- Warranty12 Months
- Longevity20-30k Miles
- Fitment
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