Set of 4 Genuine NGK 6441 Iridium IX Spark Plugs ZFR6FIX11

$27.58

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: Iridium
Type: Fine Wire
Size: 0.6mm
Projection: Extended Projection

Ground Electrode
Material: Nickel
Type: Standard
Shape: Taper Cut
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Electrode Material: Iridium
Insulator Type: Long Projection
Nominal Gap: 1.1 mm

28 in stock

SKU: 6441-4K Category:

Description

6441 - ZFR6FIX11 - Iridium IX Spark Plug by NGK. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified engines and appropriate replacement for OE spark plugs, where recommended. With a 0.6 mm laser welded iridium tip and taper cut ground electrode, these plugs provide more area for flame expansion for quicker starts, improved performance, and better efficiency.

Additional information

Weight .5 lbs
Brand

NGK

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