Iridium Spark Plugs SP509 Compatible with F150 F250 F350 Expedition Explorer Mustang Navigator Replaces HJFS24FP PZNAR6A11H 5507 (8 Pack)

Engineered to reduce misfires and fuel waste, these iridium spark plugs enhance combustion efficiency

• Vehicle compatibility: Compatible with 2008-2010 Ford F150 F250 F350 Super Duty Explorer Mustang Explorer Sport Trac 4.6L 5.4L V8, 2008-2014 Expedition, 2008-2014 Lincoln Navigator, 2008-2010 Mercury Mountaineer
• OE replacement numbers: This spark plug replaces OE numbers SP509 HJFS24FP 5507 PZNAR6A11H. Please check the part number and your vehicle's year make and model before purchase
• High ignition performance: Made with a finewire iridium center electrode and copper core, our spark plugs deliver strong ignition performance, faster start-up, better acceleration and stable engine idle
• Improve fuel efficiency: Engineered to reduce misfires and fuel waste, these iridium spark plugs enhance combustion efficiency, reduce emissions and help your engine achieve better mileage and smoother operation
• Easy to Install: Direct fit replacement with OE standards. Designed for simple installation with no modification needed. Set includes 8 iridium spark plugs