The Fleece Performance Fuel Filter Upgrade Kit with Injector Return Fitting for the 2011-2016 Ford 6.7L Power Stroke provides you with everything you need to harden your factory under hood fuel filter set up with our billet aluminum fuel filter assembly and heavy duty billet aluminum injector return fitting. Fuel Filter Upgrade Kit Features: Fleece Performance heavy duty replacement under hood filter assembly (FPE-FMC-UHFA-1123): The plastic OE filters are prone to cracking and fuel leakage - eliminate the risk of a cracked filter with our billet aluminum cap assembly and billet aluminum quick disconnect fittings. Our drop-in replacement filter assembly locks directly into the stock filter location and utilizes a replaceable spin-on Donaldson filter that is easily serviceable. Fleece Performance Injector Return Fitting (FPE-FMC-FF-RLK-1116): The plastic factory injector return fitting on the 2011-2016 6.7L Power Stroke is susceptible to breakage from heat, vibration, rough handling, and frequent disconnections for fuel filter maintenance. Upgrade this fitting and eliminate the risk of a broken fuel line with our heavy duty billet aluminum injector return fitting. Featuring a dual O-ring internal design and serviceable barb fitting the Fleece Performance injector return fitting will ensure you're not left stranded with a broken, non-repairable fuel line. Fleece Performance Under Bed Fuel Filter (FPE-FMC-FFUB-1116): The Fleece Performance filter features a higher efficiency of particulate removal across the entire filter range, ensuring greater particulate removal at higher flow rates.