- Original equipment on many late model applications
- Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum durability and performance
- The platinum at the ground electrode adds extra protection against plug wear and gap erosion
- Sold in standard pack only
| Brand | NGK Spark Plugs |
| Pack | 4 |
| Mfg # | 5599 |
| Model # | ITR4A15 |