American Motorhome RV Ford E350 E450 6.8 L 415CID V10 SOHC Spark plug Set of 10

Pack of 10 Platinum center electrode delivers precise firing, resists gap erosion, and improves ignition efficiency over standard copper plugs. Electrode: Platinum, necked-down/projected tip Ground electrode: Nickel, standard Gap: .050" (1.3mm) pre-gapped Thread: 14mm x 1.25mm, tapered seat Reach: 17.5mm (.689") Hex size: 5/8" (16mm)