Richmond Gear 69-0064-1, Differential Ring & Pinion, For Ford 8" Ratio 4.11, 10-Bolt 28 Spline 11 Pinion & 45 Ring Tooth -Fits Mustang, Fairlane, Falcon, Maverick, Torino Replaces 80-7426-1, 80-8426-1

Short Summary: The Richmond Gear 69-0064-1 Differential Ring & Pinion set is engineered for Ford 8" rear axles, offering a 4.11 gear ratio for enhanced performance. Ideal for classic Ford and Mercury muscle and compact cars, this set ensures reliable torque delivery and durability for street and light-performance driving.Key FeaturesAxle Fitment: Designed for Ford 8" rear axles; perfect for a variety of classic Ford and Mercury models from the 1960s through 1980.Gear Ratio: 4.11 ratio with 45 ring gear teeth and 11 pinion teeth for excellent acceleration and torque control.Durability: Manufactured from premium 8620 steel and heat-treated for long service life under moderate to heavy loads.Compatibility: Direct replacement for OE-style Ford 8" differentials using 10-bolt ring gears and 28-spline pinions.Warranty: Backed by Richmond Gear’s industry-leading 2-Year / 100,000-Mile warranty.Vehicle CompatibilityThe Richmond Gear 69-0064-1 fits the following Ford and Mercury vehicles equipped with Ford 8" rear axles:Ford1962–1970 Ford Fairlane1978–1979 Ford Fairmont1965–1970 Ford Falcon1972–1974 Ford Gran Torino1975–1980 Ford Granada1965–1978 Ford LTD1970–1977 Ford Maverick1965–1973 Ford Mustang1974–1978 Ford Mustang II1971–1980 Ford Pinto1964–1978 Ford Ranchero1968–1974 Ford TorinoMercury1975–1980 Mercury Bobcat1964–1969 Mercury Comet1971–1977 Mercury Comet1967–1968 Mercury Cougar1975–1980 Mercury Monarch1970–1974 Mercury MontegoReplaces OEM & Aftermarket Part NumbersRichmond Gear: 80-7426-1Richmond Gear: 80-8426-1Motive Gear: F880411Warranty & Quality AssuranceRichmond Gear stands behind the 69-0064-1 with a 2-Year / 100,000-Mile warranty. Built to OE specifications with performance-grade materials, this gear set provides lasting strength and quiet operation for your Ford 8" differential.

• High-performance 4.11 ratio ring & pinion gear set engineered for Ford 8" rear differentials; ideal for street and mild performance use in vintage Ford and Mercury vehicles from 1962 to 1980.
• Precision-cut gear teeth: 45 ring gear teeth and 11 pinion teeth deliver smooth torque transfer and dependable traction for daily driving and light-duty racing setups.
• Durable 8620 steel construction ensures long-lasting reliability under stress; heat-treated for added strength and wear resistance in demanding conditions.
• Fits a wide range of classic Ford and Mercury models including Mustang, Fairlane, Maverick, Torino, and Comet equipped with the Ford 8" rear axle.
• Backed by a 2-Year / 100,000-Mile warranty, replaces Richmond Gear 80-7426-1 & 80-8426-1, and Motive Gear F880411 for confident OE or performance replacement.