Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
The tapered ground wire improves engine ignitability.
Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.
Suggested Purchase
Quantity: 4
Most jobs typically require 4 of
this item.
This Part Fits the Following OEM/Substitute Numbers:
Engineered with an iridium-enhanced laser-welded fine-wire center electrode that provides focused ignition, optimal ignitability, and maximum performance.
Its proprietary platinum ground electrode provides increased durability and resistance to wear, extending the life of the plug.
The tapered ground wire enhances ignitability for improved combustion and performance.
The high alumina ceramic multi-rib insulator insulator provides thermal conductivity and superior insulation for increased strength & prevents flash-over.
The copper core within the plug provides reliable performance with higher thermal conductivity.
Autolite® Iridium Ultra® is equipped with a laser welded iridium enhanced fine-wire center electrode that ensures your engine runs at maximum performance; while its double precious metal design provides increased durability, allowing your engine to maintain desired performance levels for longer. Iridium Ultra delivers optimal fuel efficiency, acceleration, and ignitability, making it the best OE replacement plug choice for modern engines.
Suggested Purchase
Quantity: 4
Most jobs typically require 4 of
this item.
This Part Fits the Following OEM/Substitute Numbers: