The OEM Intake Exhaust Camshaft Phasers are designed specifically for 2011-2017 Ford F-150 AT4Z6C525B 3.5L vehicles. Made of durable alloy steel, these camshaft phasers come in sets of two for both intake and exhaust functions. With a manufacturer warranty of lifetime, these parts are guaranteed to withstand the demands of your vehicle. Compatible with a variety of Ford models, these camshaft phasers ensure optimal engine performance and timing precision.