1989 Ford E Series Van Ring and Pinion Set E-250 Econoline - RWD - Ford 10.25 in. Rear - Ring and Pinion Set - 4.30 Ratio - 1.5 in. Long Pinion Spline - Rear guaranteed to replace your current 1989 Ford E Series Van Ring and Pinion Set E-250 Econoline - RWD - Ford 10.25 in. Rear - Ring and Pinion Set - 4.30 Ratio - 1.5 in. Long Pinion Spline - Rear. 1989 Ford E Series Van Ring and Pinion Set comes new OEM 1989 Ford E Series Van Ring and Pinion Set aftermarket new 1989 Ford E Series Van Ring and Pinion Set of remanufactured 1989 Ford E Series Van Ring and Pinion Set E-250 Econoline - RWD - Ford 10.25 in. Rear - Ring and Pinion Set - 4.30 Ratio - 1.5 in. Long Pinion Spline - Rear.