6 NGK Iridium IX Spark Plugs 1990-1993 for Oldsmobile Cutlass Cruiser V6 3.3L

The NGK Iridium IX 7164 Spark Plug (TR55IX) features an ultra-fine iridium center electrode for superior ignitability, faster starts, and enhanced throttle response. Built to withstand extreme conditions, it’s ideal for performance-focused street and off-road vehicles.

Features & Benefits:

🔧 Iridium tip offers high durability and long service life
🔧 Tapered ground electrode reduces quenching for stronger sparks
🔧 Trivalent metal plating protects against corrosion and seizing
🔧 Designed to resist fouling and provide consistent combustion

Specifications:

Brand & Part Number: NGK 7164 TR55IX
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in.)
Hex Size: 5/8 in. (16mm)
Seat Type: Gasket
Resistor: Yes
Gap: 0.044 in. (1.1mm)

Upgrade to NGK Iridium IX for maximum performance, ignition stability, and long-lasting power—order today!