• 8.8" differential
• Fits 31 spline axles
• Torsen T-2 type differential
• Features full time torque-sensing, torque-biasing
• Fits solid axle and 2000-2004 Cobra IRS with 31 spline
• M-4204-T28 fits solid axle and 1999 Cobra/Thunderbird/Mark VII with IRS (2000-2004 Cobra has 31 spline)

• 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 M-19546-A12 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.