The DENSO IKH20TT Iridium TT Spark Plug (4PCS) is designed to provide outstanding ignitability, durability, and performance for modern vehicles. Part of DENSO’s advanced Iridium TT (Twin-Tip) series, this plug features a 0.4mm iridium center electrode and an 0.7mm platinum-tipped ground electrode. This twin-tip design ensures a larger spark focus and quicker combustion, resulting in smoother acceleration, faster starts, and improved fuel efficiency.

Engineered for long life and consistent performance, the IKH20TT is a direct-fit, maintenance-free upgrade that meets or exceeds OEM standards. Ideal for both naturally aspirated and turbocharged gasoline engines.

Key Features:

1. 0.4mm iridium center + 0.7mm platinum ground electrode (Twin-Tip design)
2. Faster starts and more complete combustion
3. Increases horsepower and fuel economy
4. Long-life design with high wear resistance
5. Meets or exceeds OE requirements for a wide range of vehicles

OEM & Cross References:

Toyota OEM Part Numbers:

1. 90919-01275
2. 90919-01247
3. 90919-01235
4. 90919-A1002

Honda OEM Part Numbers:

1. 12290-R71-L01
2. 12290-R1A-A01

Cross-Compatible With:

1. DENSO FK20HR11, SC20HR11
2. NGK ILKAR7B11, IFR6T11
3. Suitable replacement for many Japanese and European models

Always verify compatibility with your vehicle’s engine specifications before purchase.