Ford Racing 9inch TRAC-LOK Limited Slip Differential

M-4204-F28A

• 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 (2001-2004 Cobra has 31 spline).
(5)Recommended for street use only.
(6)Fits 2003-04 Cobra.