The DENSO Iridium Power IK20 Spark Plug is built for drivers seeking superior ignition performance and long-lasting durability. Featuring a fine 0.4mm iridium alloy center electrode, it offers exceptional ignitability with lower voltage requirements, resulting in better throttle response, smoother acceleration, and improved fuel efficiency. Designed for high-performance and everyday driving, the IK20 provides consistent spark even under high temperatures and heavy loads.

With DENSO’s advanced U-Groove ground electrode and thermal conductivity technology, this spark plug is an excellent upgrade over standard plugs and compatible with a wide range of vehicles.

Key Features:

1. 0.4mm fine-wire iridium center electrode for maximum ignitability
2. Improved combustion leads to faster starts and better acceleration
3. High thermal conductivity for stable performance under stress
4. Long service life with excellent wear resistance
5. Ideal for naturally aspirated and turbocharged engines

OEM & Cross References:

Toyota OEM Part Numbers:

1. 90919-01210
2. 90919-01164
3. 90919-01176

Honda OEM Part Numbers:

1. 12290-RTA-003
2. 12290-RTA-004

Cross-Compatible With:

1. DENSO SK20R11, K20HR-U11
2. NGK BKR6EIX-11, IFR6T11, ILFR6B

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