Ford Racing M-4851-A - Ford Racing Pinion Flanges Details
The front counter-bore must be machined 0.25" deeper if used with 397-M-4614-A or 397-M-4614-B pinion bearing retainers.
This pinion flange is original equipment on 2003-04 Cobra Mustangs. Designed for use with 1350 U-joint flanges. Features a 4.25'' bolt circle and will fit all 8.8'' rear drive pinions.
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