M-4204-C31 PART NUMBER AXLE SPLINE DESCRIPTION M-4204-F3180(2) 8.8" 31 spline Open Differential M-4204-F288(2)(3) 8.8" 28 spline Traction-Lok M-4204-F318(2)(3) 8.8" 31 spline Traction-Lok M-4204-F318C(2)(3) 8.8" 31 spline Traction-Lok M-4204-C75(2)(3) 7.5" 28 spline Traction-Lok M-4204-A28(2)(3)(5) 8.8" 28 spline Auburn HD M-4204-A31(2)(3)(5) 8.8" 31 spline Auburn HD M-4204-P31(2)(3)(5) 8.8" 31 spline Auburn Pro 2 M-4204-R31(1) 9" 31 spline Race only – Detroit Locker M-4204-T28(4) 8.8" 28 spline T2 Torsen Differential M-4204-T31(4) 8.8" 31 spline T2 Torsen Differential 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 1999 Cobra/Thunderbird/Mark VIII with IRS (2001-04 Cobra has 31 spline). (5)Recommended for street use only.

Package Dimensions:	8.50H x 8.00W x 8.25D
Weight:	22.30#
Catalog Page:	15
Instruction Sheet:	N/A
Warranty Available:	No