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.
- 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.
- Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
