Fabtech 17-21 Ford F250/F350 4WD Diesel 6in Rad Arm Sys w/Coils & Stealth

TIRE SIZE - 37/12.50R17 WHEEL - 17X9 W/4 3/4" BS W/MINOR TRIMMING; TIRE SIZE - 37/12.50R18 WHEEL - 18X9 W/4 3/4" BS W/MINOR TRIMMING; TIRE SIZE - 37/13.50R20 WHEEL - 20X9 W/5" BS W/MINOR TRIMMING; 3. NON DUALLY MODELS ONLY.; 42. WILL NOT FIT GAS MOTORS.; 163. VEHICLES EQUIPPED WITH 2 PIECE DRIVESHAFT REQUIRE FTS419.; 165. SOME 2017 MODELS MAY REQUIRE A DUAL STEERING STABILIZER FOR OVERSIZED TIRES. ORDER DIRT LOGIC-FTS220512, DIRT LOGIC W/RESI-FTS221162 OR STEALTH-FTS8046.; 175. VEHICLES W/ FACTORY REAR SWAY BAR MUST ORDER EXTENDED SWAY BAR LINK KIT PART NUMBER FTS22276.