- 9" differential
- 31 spline
- 4-spring aggressive torque bias
- Street/strip application
- 1536 steel billet case caps
- Cast high-strength nodular iron case
- OEM profile gears made of high-manganese, high-chromium alloy steel
(1)Off-road use only!
(2)Will accept anti-lock exciter ring.
(3)Requires 4-ounces of CM-19546-A1 friction modifier with initial fill.
(4)M-4204-T28 fits solid axle and 1999 Cobra/Thunderbird/Mark VIII with IRS (2001-2004 Cobra has 31 spline).
(5)Recommended for street use only.
(6)Fits 2003-04 Cobra.