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.
Carbon Fiber 2.25" OD x .125" wall Drive Shaft with 1310 U-Joints
Great for UMP, USRA and USMTS Modified competition. Tested in all 3 series.