MINI SPOOL FORD 9in 28 SPLINE

Allstar's lightweight Ford 9 inch mini spool for 28 spline axles. Weighs only 2.5 pounds, and are precisely machined for a proper fit, and then heat treated. They replace the side and spider gears in your factory open differential carrier and lock your axles together for positive traction. Fits 1957-87 Ford 9 inch Rear Ends with 3/4in Cross Pin.