The Revolution Gear & Axle ring and pinion set supplies a 4.88 final drive ratio for 2011–2016 Ford F-250 and F-350 with 10.5in rear axles and 37-spline configurations, furnished as a matched gear pair for a rear axle overhaul. It is intended for differential rebuilds requiring this specific ratio; confirm axle size and spline count before ordering to ensure a correct fit.
Revolution Gear & Axle 11-16 Ford F-250/F-350 10.5in 37 Spline Rear 4.88 Ratio Ring & Pinion Set