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Mishimoto's blue lower overflow silicone hose kit for 2003–2004 Ford F-250/F-350 6.0L Powerstroke upgrades the factory rubber with 4-ply silicone reinforced by heat-resistant fibers for superior heat and pressure tolerance. It retains stock fitment, replaces the weak plastic Y-fitting with a CNC metal fitting, and is backed by Mishimoto's Lifetime Warranty for Powerstroke parts.
Mishimoto 03-04 Ford F-250/F-350 6.0L Powerstroke Lower Overflow Blue Silicone Hose Kit
