NGK
8 Pack NGK Iridium IX Spark Plugs 2001-2006 for GMC Sierra 2500 HD V8 8.1L ps
8 Pack NGK Iridium IX Spark Plugs 2001-2006 for GMC Sierra 2500 HD V8 8.1L psFree shipping on all orders.
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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!
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Shipping Info
Shipping Info
Free shipping on all orders. Orders are processed within 1-2 business days and typically delivered within 3-7 business days.
Returns
Returns
Easy returns within 30 days of purchase. Items must be in original, unused condition. Contact us to initiate a return.
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