2011-2016 5.0 Piston Oil Squirter Block off plates (qty 4) These Billet Aluminum plates block off the oil passages when the oil squirters are removed for High HP applications (most aftermarket pistons will interfere with the factory squirters) -direct bolt on. Improves oiling to bearings! Same as boss models and new 2013 models that now have deleted the piston squireters from the factory.Learn More