1961 Ford F Series Trucks Ring and Pinion Set F-250 - Dana 60 - Standard Rotation - Ring and Pinion Set - 4.30 Ratio - Fits 3 Series Carrier - Will Work w/4.27 in 4WD - Rear guaranteed to replace your current 1961 Ford F Series Trucks Ring and Pinion Set F-250 - Dana 60 - Standard Rotation - Ring and Pinion Set - 4.30 Ratio - Fits 3 Series Carrier - Will Work w/4.27 in 4WD - Rear. 1961 Ford F Series Trucks Ring and Pinion Set comes new OEM 1961 Ford F Series Trucks Ring and Pinion Set aftermarket new 1961 Ford F Series Trucks Ring and Pinion Set of remanufactured 1961 Ford F Series Trucks Ring and Pinion Set F-250 - Dana 60 - Standard Rotation - Ring and Pinion Set - 4.30 Ratio - Fits 3 Series Carrier - Will Work w/4.27 in 4WD - Rear.