"9" differential
28 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
Rebuildable
PART NUMBER | AXLE | SPLINE | DESCRIPTION |
M-4204-F318C(2)(3)(6) | 8.8" | 31 spline | Traction-Lok |
M-4204-A28(2)(3)(5) | 8.8" | 28 spline | Auburn HD |
M-4204-T28(4) | 8.8" | 28 spline | T2 Torsen Differential |
M-4204-F31A(3) | 9" | 31 spline | Traction-Lok |
M-4204-F28A(3) | 9" | 28 spline | Traction-Lok |
NOTES:
(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 (2001-04 Cobra has 31 spline).
(5)Recommended for street use only.
(6)Fits 2003-04 Cobra.