Trivalent metal plating offers superior anti-corrosion and anti-seizing properties; Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines.
- NGK
- NGK Iridium IX
- Sold Individually
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| 6 Cyl 3.4L |
Base |
| 6 Cyl 3.8L |
Base, LS, SS |
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MOTORCRAFT SPARK PLUG 0.04 mm gap, standard plug type, standard service plug; A high quality, OE replacement spark plug.
- Motorcraft
- Sold Individually
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Its copper glass seal bonds the center electrode and insulator together for a gas-tight seal; DENSO PREMIUM CLASS IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread, 18 mm reach, 5/8 in. hex size, tapered seat, resistor type, removable terminal, 0.4 mm iridium center electrode, tapered cut U-groove ground electrode, 0.044 in. gap size, 16 heat range.
- Denso
- Denso Iridium Power
- Sold Individually
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| 8 Cyl 5.3L |
SS |
| 6 Cyl 3.5L |
LS, LT |
| 6 Cyl 3.9L |
LS, LT, LTZ |
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Constructed from top quality materials to help the engine run clean and longer; Engineered to high standards and tested under extreme conditions to exceed OE specifications.
- AC Delco
- AC Delco Professional Platinum
- Sold Individually
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 17.52 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.
- E3
- E3 DiamondFire
- Sold Individually
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