1991 Mercury Cougar Differential Ring and Pinion Parts

Choose your Engine for your 1991 Mercury Cougar


Showing 1 - 10 of 12 products
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Ford Performance
  • Fits all 8.8 Axles Except IRS Differential 8.8 in. (10 Bolt)
  • Ring And Pinion Installation Kit; Fits all 8.8 Axles Except IRS Differential;
  • Ring And Pinion Installation Kit
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Includes 2012 Shelby GT500 High-Torque Pinion Bearing
    • Includes Pinion And Crush Shims/Crush Sleeve/Pinion Nut/Pinion Seal
    • Includes Ring Gear Bolts/Mustang GT Carrier Bearings
    • Includes Gear-Marking Compound/Cover Gasket
  • These ring and pinion installation kits from Ford Racing include everything you need for changing your ring and pinion gear. All components are high quality genuine Ford parts to ensure a hassle free installation.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 6 Cyl 3.8L 232

Ford Performance
  • Fits 8.8 in. 10 Bolt; Rear; Fits all 8.8 Axles Except IRS Differential
  • Ring And Pinion Installation Kit; Fits all 8.8 Axles Except IRS Differential;
  • Ring And Pinion Installation Kit
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Includes 2012 Shelby GT500 High-Torque Pinion Bearing
    • Includes Pinion And Crush Shims/Crush Sleeve/Pinion Nut/Pinion Seal
    • Includes Ring Gear Bolts/Mustang GT Carrier Bearings
    • Includes Gear-Marking Compound/Cover Gasket
  • These ring and pinion installation kits from Ford Racing include everything you need for changing your ring and pinion gear. All components are high quality genuine Ford parts to ensure a hassle free installation.

Additional Fitment Information:
Vehicle Block CC Engine CID
1991 - Mercury Cougar V - 6 Cyl 3.8L 232

Ford Performance
  • Fits 8.8 in. 10 Bolt; Rear; Fits All 8.8 in. Axles Includes IRS Fits All 8.8 in. Axles Including IRS~Includes All Components From PN M-4210-A Plus Differential Bearings
  • Ring And Pinion Installation Kit; Fits All 8.8 in. Axles Includes IRS;
  • Ring And Pinion Installation Kit
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Excellent Upgrade For All 8.8 in. Rear Ends
    • High Torque Bearing Adds Durability For Modified Vehicles
    • Contains All Components From M-4210-A Plus Diff. Bearings
    • Includes High Torque Rear Pinion Bearings/Crush Sleeve
    • Includes Pinion and Carrier Shims/PinionNut and Seal/Ring Gear Bolts
    • Includes Heavy Duty Carrier Bearings/Gear Marking Compound
    • Includes Cover Gasket
  • These ring and pinion installation kits from Ford Racing include everything you need for changing your ring and pinion gear. All components are high quality genuine Ford parts to ensure a hassle free installation.

Additional Fitment Information:
Vehicle Block CC Engine CID
1991 - Mercury Cougar V - 6 Cyl 3.8L 232

Ford Performance
  • Fits All 8.8 in. Axles Includes IRS 8.8 in. (10 Bolt) Fits All 8.8 in. Axles Including IRS~Includes All Components From PN M-4210-A Plus Differential Bearings
  • Ring And Pinion Installation Kit; Fits All 8.8 in. Axles Includes IRS;
  • Ring And Pinion Installation Kit
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Excellent Upgrade For All 8.8 in. Rear Ends
    • High Torque Bearing Adds Durability For Modified Vehicles
    • Contains All Components From M-4210-A Plus Diff. Bearings
    • Includes High Torque Rear Pinion Bearings/Crush Sleeve
    • Includes Pinion and Carrier Shims/PinionNut and Seal/Ring Gear Bolts
    • Includes Heavy Duty Carrier Bearings/Gear Marking Compound
    • Includes Cover Gasket
  • These ring and pinion installation kits from Ford Racing include everything you need for changing your ring and pinion gear. All components are high quality genuine Ford parts to ensure a hassle free installation.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 6 Cyl 3.8L 232

Ford Performance
  • 4.10 Ratio; 8.8 in. 8.8 in. (10 Bolt)
  • Ring Gear And Pinion Set; 4.10 Ratio; 8.8 in.;
  • Ring Gear And Pinion Set
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • Gear Ratio: 4.1
  • Features:
    • CNC Cut And Lapped Gear Teeth
    • Higher Strength And Better Quality
    • OEM Quality
    • Race Proven
    • Standard In Performance
    • Made in the USA
  • Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 8 Cyl 5.0L 302

Ford Performance
  • 3.55 Ratio; 8.8 in. 8.8 in. (10 Bolt)
  • Ring Gear And Pinion Set; 3.55 Ratio; 8.8 in.;
  • Ring Gear And Pinion Set
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • Gear Ratio: 3.55
  • Features:
    • CNC Cut And Lapped Gear Teeth
    • Higher Strength And Better Quality
    • OEM Quality
    • Race Proven
    • Standard In Performance
    • Made in the USA
  • Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 8 Cyl 5.0L 302

Ford Performance
  • Fits 8.8 in. 10 Bolt; 3.55 Gear Ratio; 8.8 in. Ring Gear Diameter
  • Ring Gear And Pinion Set; 3.55 Ratio; 8.8 in.;
  • Ring Gear And Pinion Set
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • Gear Ratio: 3.55
  • Features:
    • CNC Cut And Lapped Gear Teeth
    • Higher Strength And Better Quality
    • OEM Quality
    • Race Proven
    • Standard In Performance
    • Made in the USA
  • Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 8 Cyl 5.0L 302

Ford Performance
  • Fits 8.8 in. 10 Bolt; 4.10 Gear Ratio; 8.8 in. Ring Gear Diameter
  • Ring Gear And Pinion Set; 4.10 Ratio; 8.8 in.;
  • Ring Gear And Pinion Set
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • Gear Ratio: 4.1
  • Features:
    • CNC Cut And Lapped Gear Teeth
    • Higher Strength And Better Quality
    • OEM Quality
    • Race Proven
    • Standard In Performance
    • Made in the USA
  • Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 8 Cyl 5.0L 302

Ford Performance
  • 3.73 Ratio; 8.8 in. 8.8 in. (10 Bolt)
  • Ring Gear And Pinion Set; 3.73 Ratio; 8.8 in.;
  • Ring Gear And Pinion Set
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • Gear Ratio: 3.73
  • Features:
    • CNC Cut And Lapped Gear Teeth
    • Higher Strength And Better Quality
    • OEM Quality
    • Race Proven
    • Standard In Performance
    • Made in the USA
  • Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. ** Note: 3.15 Ratio Differential not compatible with 3/31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M. * This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 8 Cyl 5.0L 302

Ford Performance
  • Fits 8.8 in. 10 Bolt; 3.73 Gear Ratio; 8.8 in. Ring Gear Diameter
  • Ring Gear And Pinion Set; 3.73 Ratio; 8.8 in.;
  • Ring Gear And Pinion Set
  • Product Attributes:
    • Axle Type: Ford 8.8 In.
    • Gear Ratio: 3.73
  • Features:
    • CNC Cut And Lapped Gear Teeth
    • Higher Strength And Better Quality
    • OEM Quality
    • Race Proven
    • Standard In Performance
    • Made in the USA
  • Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. ** Note: 3.15 Ratio Differential not compatible with 3/31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M. * This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Rear 8 Cyl 5.0L 302
Showing 1 - 10 of 12 products

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