8 Pack NGK Ruthenium HX Spark Plugs 2003-2008 for Infiniti FX45 V8 4.5 ps

Enhance your Infiniti FX45’s engine performance with the NGK Ruthenium HX Spark Plugs. Designed with advanced Ruthenium technology, these spark plugs provide superior ignition efficiency, improved fuel combustion, and long-lasting durability. Engineered to meet or exceed OEM standards, they ensure smooth engine operation and reliable performance for your luxury SUV.

🔧 Ruthenium Alloy Construction – Provides exceptional wear resistance and longevity

🔧 High Ignition Efficiency – Enhances combustion for better power and fuel economy

🔧 Pre-Tested for Reliability – Built to withstand extreme driving conditions

🔧 Direct OEM Fit – Ensures hassle-free installation with no modifications

🔧 Optimized Fuel Economy – Supports smoother acceleration and reduced emissions

✅ Designed for 2003-2008 Infiniti FX45 V8 4.5L engines

✅ OEM replacement part for precise fitment and function

✅ Check owner’s manual for proper fitment

Thread Size: 14 mm

Reach: 19.0 mm (0.75 inches)

Hex Size: 16 mm (5/8 inch)

Seat Type: Gasket

Resistor: Yes

Center Electrode Tip Material: Ruthenium

Ground Electrode Tip Material: Nickel

Pre-Gap Size: 0.044 inches

Center Electrode Core Material: Copper

Manufacturer Heat Range: 6

Upgrade your Infiniti FX45’s ignition system with these high-performance NGK Ruthenium HX spark plugs! 🔧🚙