1999 Ford E Series Van Ring and Pinion Set E-350 Econoline Club Wagon - RWD - Ford 10.5 in. Rear - Ring and Pinion Set - 4.30 Ratio - 31 Spline Pinion - Rear guaranteed to replace your current 1999 Ford E Series Van Ring and Pinion Set E-350 Econoline Club Wagon - RWD - Ford 10.5 in. Rear - Ring and Pinion Set - 4.30 Ratio - 31 Spline Pinion - Rear. 1999 Ford E Series Van Ring and Pinion Set comes new OEM 1999 Ford E Series Van Ring and Pinion Set aftermarket new 1999 Ford E Series Van Ring and Pinion Set of remanufactured 1999 Ford E Series Van Ring and Pinion Set E-350 Econoline Club Wagon - RWD - Ford 10.5 in. Rear - Ring and Pinion Set - 4.30 Ratio - 31 Spline Pinion - Rear.