Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1

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Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1

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Brand : Richmond Gear/Motive Gear
EXCEL F9550 differential ring and pinion for Ford 9" with a 5.50 gear ratio.
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Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
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Type
Differential Rings & Pinions
Title
Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Price
$260.48 USD
Vendor
Richmond Gear/Motive Gear
Description
Short Summary: The ring and pinion gear set from EXCEL by Richmond is precision-engineered for Ford 9" rear ends, featuring a 5.50 gear ratio for maximum torque and acceleration.Ideal for builds requiring aggressive gearing and reliable strength, including off-road, street/strip, and towing applications.Key Features Axle Fitment: Ford 9" Dropout-Style Differential Gear Ratio: 5.50 Pinion Spline Count: 28 Pinion Shaft Diameter: 1.313 Inches Pinion Tooth Count: 6 Ring Gear Tooth Count: 33 Ring Gear Bolt Quantity: 10 Ring Gear Outside Diameter: 9 Inches Ring Gear Material: 8620 Steel Rotation: Standard Vehicle Compatibility Fits Ford 9" rear axles found in a wide range of Ford, Lincoln, and Mercury vehicles across multiple decades.Ideal for classic restorations, muscle cars, and custom performance applications.Ford 1966–1986 Bronco 1969–1983 E-100 Econoline 1975–1983 E-100 Econoline Club Wagon 1975–1986 E-150 Econoline 1975–1986 E-150 Econoline Club Wagon 1969–1974 E-200 Econoline 1975–1983 F-100 1975–1986 F-150 1957–1970 Fairlane 1959–1967 Galaxie 1962–1974 Galaxie 500 1972–1976 Gran Torino 1975–1980 Granada 1965–1979 LTD 1977–1979 LTD II 1970–1977 Maverick 1965–1973 Mustang 1957–1979 Ranchero 1955–1979 Thunderbird 1968–1976 Torino Lincoln 1958–1979 Continental 1968–1971 Mark III 1977–1980 Versailles Mercury 1964–1969 Comet 1971–1977 Comet 1967–1979 Cougar 1975–1978 Grand Marquis 1963–1970 Marauder 1967–1978 Marquis 1968–1976 Montego Replaces OEM & Aftermarket Part Numbers EXCEL: F9550 Richmond Gear: 69-0550-1 Motive Gear: F9-550 Yukon Gear & Axle: YG F9-550 Ford OEM: N/A (Aftermarket Performance Upgrade) Warranty & Quality Assurance Backed by a 1-Year / 50,000-Mile Warranty, EXCEL from Richmond ring & pinion sets are crafted from premium 8620 steel for long-lasting strength and quiet performance.Engineered for superior fitment and durability under high torque loads.

More about this item : Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1

Short Summary: The ring and pinion gear set from EXCEL by Richmond is precision-engineered for Ford 9" rear ends, featuring a 5.50 gear ratio for maximum torque and acceleration.

Ideal for builds requiring aggressive gearing and reliable strength, including off-road, street/strip, and towing applications.

Key Features Axle Fitment: Ford 9" Dropout-Style Differential Gear Ratio: 5.50 Pinion Spline Count: 28 Pinion Shaft Diameter: 1.313 Inches Pinion Tooth Count: 6 Ring Gear Tooth Count: 33 Ring Gear Bolt Quantity: 10 Ring Gear Outside Diameter: 9 Inches Ring Gear Material: 8620 Steel Rotation: Standard Vehicle Compatibility Fits Ford 9" rear axles found in a wide range of Ford, Lincoln, and Mercury vehicles across multiple decades.

Ideal for classic restorations, muscle cars, and custom performance applications.

Ford 1966–1986 Bronco 1969–1983 E-100 Econoline 1975–1983 E-100 Econoline Club Wagon 1975–1986 E-150 Econoline 1975–1986 E-150 Econoline Club Wagon 1969–1974 E-200 Econoline 1975–1983 F-100 1975–1986 F-150 1957–1970 Fairlane 1959–1967 Galaxie 1962–1974 Galaxie 500 1972–1976 Gran Torino 1975–1980 Granada 1965–1979 LTD 1977–1979 LTD II 1970–1977 Maverick 1965–1973 Mustang 1957–1979 Ranchero 1955–1979 Thunderbird 1968–1976 Torino Lincoln 1958–1979 Continental 1968–1971 Mark III 1977–1980 Versailles Mercury 1964–1969 Comet 1971–1977 Comet 1967–1979 Cougar 1975–1978 Grand Marquis 1963–1970 Marauder 1967–1978 Marquis 1968–1976 Montego Replaces OEM & Aftermarket Part Numbers EXCEL: F9550 Richmond Gear: 69-0550-1 Motive Gear: F9-550 Yukon Gear & Axle: YG F9-550 Ford OEM: N/A (Aftermarket Performance Upgrade) Warranty & Quality Assurance Backed by a 1-Year / 50,000-Mile Warranty, EXCEL from Richmond ring & pinion sets are crafted from premium 8620 steel for long-lasting strength and quiet performance.

Engineered for superior fitment and durability under high torque loads.

Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1
Key Features
  • 5.50 Gear Ratio Precision-Engineered: Designed for performance, this EXCEL from Richmond ring and pinion set delivers acceleration and towing capabilities in Ford 9" rear differentials
  • Strength & Durability Built: Manufactured from premium 8620 steel for wear resistance. Features 6 pinion teeth, 33 ring teeth, and 1.313" pinion shaft diameter for performance
  • Ford 9" Dropout Axles Direct Fitment: Compatible with 28-spline pinion shafts and 10-bolt ring gear designs. Standard rotation setup for street, strip, and off-road use
  • Classic Ford & Lincoln Application Coverage Broad: Fits 1955–1986 Bronco, Mustang, F-100, Fairlane, Galaxie, Thunderbird, Ranchero, Continental, Cougar, and more with Ford 9" axles
  • Warranty Backed by Trusted Quality: Covered by a 1-year or 50,000-mile warranty. Upgrade or replacement for high-performance builds needing traction and reliability
Technical Specifications
  • Length : 15.0 lb
  • Width : 11.0 lb
  • Height : 5.25 lb
  • Weight : 19.83 lb
Product Identifiers
  • ASIN B07L9WN23C
  • UPC: 698231218471
Shipping Information
  • Ships From : United States
  • Brand : Richmond Gear/Motive Gear

Frequently Asked Questions About : Differential Ring & Pinion EXCEL F9550 For Ford 9" Gear Ratio 5.50, 10-Bolt, 28 Spline 6 Pinion & 33 Ring Tooth -Fits Bronco, F-100, Mustang Thunderbird Lincoln Replaces F9-550, YG F9-550, 69-0550-1

01 What is the gear ratio of the EXCEL F9550 differential?

The gear ratio of the EXCEL F9550 differential is 5.50.

02 What vehicles are compatible with the EXCEL F9550 differential?

The EXCEL F9550 differential fits Ford 9" rear axles in various Ford, Lincoln, and Mercury vehicles.

03 What material is the EXCEL F9550 ring and pinion set made from?

The EXCEL F9550 ring and pinion set is made from premium 8620 steel.

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