Denso IK27 Spark Plugs (4)

DENSO IRIDIUM is the Ultimate Long-Life Spark Plug

DENSOs Iridium Long Life plug is fast becoming the standard for todays high-tech engines.The properties of DENSOs patented Iridium alloy have broken through the spark plug technology barrier. Employing a revolutionary new 360 laser welding process, DENSO has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions, DENSOs patented Iridium alloy is six times harder and eight times stronger than conventional platinum and can handle temperatures in excess of 4,000F.

At DENSO, we bring together everything we know as an OE supplier to provide aftermarket spark plugs that truly are Better by Design.

U-GROOVE - Ground electrode.

DOUBLE PLATINUM - Platinum center electrode. Platinum ground electrode.

IRIDIUM LONG LIFE - Platinum ground electrode. 0.7mm diameter Iridium center electrode.

100% PRE-FIRED - All DENSO spark plugs are 100% pre-fired to assure the highest quality possible.

COPPER-GLASS SEAL - Bonds the center electrode and insulator together for a gas-tight seal. Maintains proper heat and excludes hot combustion gases.

FIVE-RIB DESIGN - Prevents flashover and decreases voltage loss.

PURIFIED ALUMINA POWDER INSULATOR - Provides exceptional dielectric strength and thermal conductivity allowing the material to stand up to extreme stress.



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