The Revolution Gear & Axle 4.88 ratio gear package for 2011–2016 Ford F-250 (F10.5–D60RT) provides a 4.88 final-drive option and references Timken components in the product listing. It is supplied as a gear package intended for differential installations or axle ratio conversions on F-250 trucks equipped with the F10.5–D60RT axle during the 2011–2016 model years.
Revolution Gear & Axle 11-16 Ford F-250 F10.5-D60RT Timken 4.88 Ratio Gear Package