Flanged 31 spline axle axles have 3.15" bearings installed. axle housing only is 53" wide from housing end to housing end without axles. axles have three bolt patterns in all axles, 5 x 4.5" small ford, 5 x 4.75" GM and 5 x 5".
NEW 58" wide Ford 9 Inch Round Back Rear End Housing with 31 spline axles
Nitro Ford 9 inch full spool, 40 spline, 2.25 inch journal, for "Pro 10" housing
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Ford 9 inch 60 inch HD New Smooth Back Rear End Housing Kit with 31 spline axles
ARP 250-3020 - 9" Pinion Support Stud Kit Blk For Ford 9 Inch 3/8-16 3/8-24
Ford 9 Inch Rear End Storage Kit / Painting Kit /Sandblasting Covers SMALL FORD