The DENSO IKH16TT Iridium TT Spark Plug (4PCS) is engineered to provide superior ignition performance, increased fuel efficiency, and long-lasting durability. This spark plug features DENSO’s advanced Iridium TT (Twin-Tip) technology, combining a 0.4mm iridium center electrode and a 0.7mm platinum-tipped ground electrode. This unique Twin-Tip design ensures a larger spark focus, enhancing combustion efficiency, smoother acceleration, and faster starts.

Built for modern engines, the IKH16TT provides excellent resistance to wear and fouling, making it ideal for both naturally aspirated and turbocharged engines. With improved fuel economy and reliable performance, this spark plug is an ideal upgrade for vehicles requiring high-performance spark plugs.

Key Features:

1. Iridium Center Electrode (0.4mm) and Platinum Ground Electrode (0.7mm) for superior ignition
2. Twin-Tip design for faster, more efficient combustion and improved fuel economy
3. Longer service life with high resistance to wear, corrosion, and fouling
4. Provides smoother acceleration, better throttle response, and more reliable starts
5. Ideal for a variety of gasoline-powered vehicles with naturally aspirated or turbocharged engines

OEM & Cross References:

Toyota OEM Part Numbers:

1. 90919-01210
2. 90919-01275
3. 90919-01235

Honda OEM Part Numbers:

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

Cross-Compatible With:

1. DENSO SC16HR11, FK16HR11
2. NGK ILKAR6B11, IFR6T11
3. Suitable for many Japanese and European vehicles requiring high-performance spark plugs

Confirm compatibility with your vehicle’s service manual or mechanic before installation.