Mercury Monarch Differential Ring and Pinion Replacement

Ford 7.5 in.; 10 Cover Bolts; 10 Ring Gear Bolts; 28 Axle Spline; 28 Pinion Spline; Standard Rotation

Ford 9 in. Daytona; 10 Cover Bolts; 10 Ring Gear Bolts; 28/31 Axle Spline; 28 Pinion Spline; Standard Rotation

Ford 9 in. Daytona; 10 Cover Bolts; 10 Ring Gear Bolts; 28/31 Axle Spline; 28 Pinion Spline; Standard Rotation; Fits 3.062 Bearing

For Ford 7.5" (10 Bolt); 3.08 Ratio

For Ford 7.5" (10 Bolt); 4.10 Ratio; Requires Notched Cross Pin 80-0271-1 For Ring Gear Clearance

For Ford 7.5" (10 Bolt); 3.73 Ratio; Requires Notched Cross Pin 80-0271-1 For Ring Gear Clearance

For Ford 7.5" (10 Bolt); 4.56 Ratio; Requires Notched Cross Pin 80-0271-1 For Ring Gear Clearance

For Ford 8"; Performance Ring and Pinion; 3.55 Ratio

For Ford 7.5" (10 Bolt); Performance Ring and Pinion; 4.56 Ratio; Requires Notched Cross Pin 80-0271-1 For Ring Gear Clearance

For Ford 8"; Performance Ring and Pinion; 3.80 Ratio

For Ford 8"; Performance Ring and Pinion; 4.11 Ratio

For Ford 8"; Performance Ring and Pinion; 3.00 Ratio

For Ford 8"; Performance Ring and Pinion; 3.25 Ratio

For Ford 8"; Performance Ring and Pinion; 3.40 Ratio

For Ford 8"; 4.11 Ratio

For Ford 8"; 3.80 Ratio

For Ford 8"; 3.56 Ratio

For Ford 8"; 3.00 Ratio

For Ford 8"; 4.63 Ratio