This is a NEW never USED Aluminum Quickchange Spool. 31 spline. Work GREAT in a Quick Change rearend NOT a FORD 9", after it is cleaned up.
Quickchange locker Aluminum 31 Spline UMP IMCA NHRA WISSOTA LMS ASA ARCA Rod #2
Quickchange locker Aluminum 31 Spline UMP IMCA NHRA WISSOTA LMS ASA KN ARCA Rod
Winters Quick Change Rear End Aluminum 31 Spline SPOOL Differential Frankland
Winters Quick Change Rear End Aluminum 31 Spline SPOOL Differential Frankland H6
Ford 9 in. Aluminum 31-Spline Spool Third Member Assembly [3.00:1]
Ford 9 in. Aluminum 31-Spline Spool Third Member Assembly [3.70:1]