fits PEM, DMI, Winters, Franland and other quick change rears
Aluminum High Nuts for QC rear end - 6 pieces
3/8 inch x 16 thread
These nuts will work with standard size cover studs
All New Unit. PEM Nodular Iron Ford 9 inch Center Section with New HELI TRAC gear driven differential for street driving, Specify US Gear ring & pinion ratio wanted. Specify spline 28 or 31 spline Assembled unit.