NGK 90220 LTR5AHX Ruthenium HX High Ignitability Spark Plug

The NGK 90220 (LTR5AHX) Ruthenium HX spark plug is engineered for modern engines that demand superior ignitability and performance. This premium spark plug features NGK's patented ruthenium technology, combining a 0.4mm ruthenium alloy fine wire center electrode with a 0.8mm platinum fine wire ground electrode in an advanced Double Fine Electrode (DFE) design.

Key Features:

• Patented ruthenium center electrode provides industry-leading durability at high temperatures
• Double Fine Electrode (DFE) design concentrates spark energy and ignites a wider range of air-fuel ratios
• Delivers more complete fuel burn for quicker throttle response, smoother idle, and improved cold starts
• Trivalent metal platinum plating offers superior anti-corrosion and anti-seizing properties
• Pure alumina silicate ceramic insulator provides exceptional strength and heat transfer
• Copper core aids in efficient heat removal
• Corrugated ribs prevent flashover for reliable performance

Specifications:

• Thread Diameter: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Tapered
• Reach: 25mm (1 inch)
• Hex Size: 5/8 inch (16mm)
• Terminal Type: Solid
• Gap: 0.043 inch (1.1mm)
• Torque Specs: Cast Iron 10.8-18 lb-ft, Aluminum 7.2-14.5 lb-ft

Designed for modern vehicles using OE DFE-type spark plugs or for those seeking the latest OE technology in an aftermarket spark plug. The NGK Ruthenium HX delivers maximum performance, ignitability, and durability for today's high-efficiency engines.