2004-2008 F-150 4WD 6" Front Dirt Logic 2.5 N/R Coilovers - Pair (FABFTS22194)Description From our desert racing experience the Dirt Logic 2. 5 has been developed for exceptional performance in a variety of Coilover applications. The Dirt Logic 2. 5 will provide incredible damping capacity for aggressive offroad driving. Features 2. 5" OD Stainless Steel Body 2. 25" OD Billet Aluminum Piston 7 8" NitroSteel Black Piston Rod Cold Wound Coil Springs Adjustable Coilover Construction 5 8" Spherical Ball Mounting Ends Extended