New Precision Gear 4.57 Ring and Pinion and 28 spline spool. You must have the matching spool and ring & pinion since they are different than other manufacturers.
Ford 9" 411 Ring & Pinion with 28 Spline Spool AMERICAN MADE NEW
NEW 3:64 Ford 9" Visteon Ring & Pinion Nascar Hot Rod Racing
FORD 9" INCH RING AND PINION GEAR SET 4.11 RATIO D2TW-4210-B / C2AW-4610-J
3:70 Ford 9" Xtrac Ring & Pinion Nascar Hot Rod Racing
3:00 Ford 9" Lightened Ring & Pinion Nascar Hot Rod Racing Richmond
