NGK (ZFR6FIX-11) Iridium IX Stock Heat Spark Plugs 1992-2003 Honda/Mazda (Qty 4) | 6441

Fitment Information:

1992-2001 Honda Prelude

2002-2004 Honda Civic DX

2003 Mazda Protege

Features:

• Sold as a set of 4 spark plugs
• Engineered Specifically for OE Applications
• 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
• Longevity: 50k Miles
• 60 Days manufacturer Warranty

Shell
Spark Plug Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Flat
Reach: 3/4" (19mm)
Wrench Diameter: 5/8" (16mm)
Terminal Type: Solid
Gap: .043" (1.1mm)

Center Electrode
Electrode Tip Material: Iridium
Electrode Core Material: Copper

Ground Electrode
Material: Nickel
Type: Standard
Shape: Taper Cut

Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Manufacturer Heat Range: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Why NGK Iridium? More durability and a higher melting point compared to platinum, better center electrode anti-oxidation and anti-erosion, improved ignition, superior anti-fouling, lower required voltage, and a new metal shell plating process for better anti-corrosion. These NGK plugs will get running smoother with more power through increased efficiency and heat resistance.