RAPTOR Double Platinum Spark Plug; Ford Service Number: CYFS-12FP - SP526X

- Original equipment Motorcraft spark plug: double platinum design for both center and ground electrodes, ensuring extended service life and resistance to wear and erosion 
- OEM part number CYFS‑12‑FP, also cross-referenced as SP‑526 or SP‑526X; later superseded by updated part CYFS‑12‑FPX
- Commonly specified for Ford and Lincoln vehicles with 6.2 L engines—including F‑150, F‑250/350 Super Duty, and certain E‑Series vans—from the 2010s era
- Recommended spark plug gap set at 0.044 inches for proper combustion and longevity