1 Pack NGK Iridium IX 4469 Spark Plugs LFR5AIX-11 ps

The NGK 4469 Iridium IX Spark Plug (LFR5AIX-11) is built for high-performance ignition with maximum durability and combustion efficiency. Featuring an ultra-fine iridium center electrode and a tapered ground electrode, it delivers quicker starts, improved throttle response, and longer plug life—perfect for modern engines and performance applications.

Features & Benefits:

🔧 Iridium tip ensures stable spark and extended wear resistance
🔧 Fine-wire design improves ignitability and fuel burn
🔧 Reduces misfires and resists fouling under load
🔧 Pre-gapped at 1.1mm for easy, OE-spec installation

Specifications:

Brand & Part Number: NGK 4469 (LFR5AIX-11)
Material: Iridium
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 5/8 in (16mm)
Heat Range: 5
Seat Type: Gasket
Resistor: Yes
Gap: 1.1mm (0.043 in)

Upgrade to NGK LFR5AIX-11 Iridium IX for reliable high-performance ignition, better fuel economy, and longer plug life—order now!