Genuine NGK BKR8EIX Iridium IX spark plugs, supplied as a set of six for appropriately tuned Nissan Laurel C34 and C35 RB-series engines.
Vehicle fitment
- Nissan Laurel C34 – RB-series six-cylinder applications
- Nissan Laurel C35 – RB-series six-cylinder applications
Performance application: this colder heat-range 8 plug should only be used where specified for the engine tune, boost and hardware. Confirm the precise engine code and electrode gap with your tuner.
Product specifications
- Brand: NGK
- Part number / MPN: BKR8EIX
- NGK stock number: 2668
- Series: Iridium IX
- Quantity: 6 spark plugs
- Heat range: 8
- Thread diameter: 14 mm
- Thread reach: 19 mm
- Hex size: 16 mm (5/8 inch)
- Centre electrode: 0.6 mm iridium
- Resistor type: Yes
Reference numbers
NGK BKR8EIX / 2668; NISMO 22401-RN010-8; DENSO IK24 / 5311. Cross-references are supplied for identification; verify the exact engine setup.
Before ordering
Check the engine code and the plug recommendation for the vehicle or engine tune. Do not order solely by model or registration, because modified engines may require a different heat range or electrode gap.
Delivery & returns
- Free UK delivery with an estimated 2–3 working-day service
- 30-day returns, subject to the item being returned in its original condition