
NGK 5266 Iridium Spark Plugs | 4 Pack
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Product details
Upgrade Your Vehicle with NGK 5266 Iridium Spark Plugs
Precision-engineered for optimal performance, the NGK 5266 Iridium Spark Plugs are designed for car owners and mechanics who demand excellence in their vehicles. This pack includes four high-quality spark plugs that ensure reliable starting and smooth engine performance.
Key Benefits:
- Enhanced ignition efficiency
- Long-lasting durability with iridium center electrode
- Reduces engine misfires for smoother rides
- Eco-friendly design with minimal emissions
Technical Specifications:
- Socket size: 16 mm
- Thread size: M14 x 1.25
- Thread length: 0.75 inch (19.0 mm)
- Electrode type: Iridium center electrode with one ground electrode
- Resistance: Non-parasitic, 5 kOhm
- Seal type: Flat gasket seat
- Spark gap position: 0.20 inch (5.0 mm)
- Connection type: Fixed SAE
The NGK 5266 is built to meet and exceed original equipment standards to ensure optimal performance in Honda CR-V models (1.8L & 2.0L). Not only do these spark plugs perform better, but they also extend the time between replacements.
Installation Instructions:
1. Ensure the engine is cool before removing the old spark plugs.
2. Remove the existing spark plugs using a 16 mm wrench.
3. Inspect for any damage and clean the seat.
4. Install the new NGK 5266 spark plugs and tighten to the specified torque.
5. Reconnect any leads and start the engine to test.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.









