Motive Gear G875390 Differential Ring & Pinion Set 3.90 Ratio Fits GM 7.5"/7.625", 27 Spline Pinion, 10-Bolt, 7.5” Ring Gear, Replaces: Richmond 49-0284-1, Nitro GM7.5-390-NG, EXCEL GM75390

Motive Gear G875390 Ring & Pinion Set – Designed for superior strength and performance, this 3.90 gear ratio set is engineered for GM 7.5"/7.625" differentials. Whether you need better torque for off-roading or improved towing power, this high-quality gear set is the perfect upgrade.⚙ Key Features & Benefits:Durable 8620 Steel: Precision heat-treated for superior wear resistance and long-term performance.Performance-Oriented Gear Ratio: 3.90 ratio enhances acceleration, making it ideal for performance and towing applications.Standard Rotation: Ensures smooth engagement and dependable power transfer.Perfect Fitment: 10-bolt ring gear with a 27-spline pinion provides exact compatibility with GM differentials.Reliable Performance: Designed for reduced noise, smoother operation, and longer service life.🚗 Applications & Compatibility:🔹 GM Vehicles:Buick Apollo, Century, Electra, LeSabre, Regal, Riviera, Skylark (1973-1996)Cadillac Brougham, DeVille, Fleetwood (1982-1990)Chevrolet Astro, Blazer, Camaro, Caprice, Colorado, El Camino, Impala, Malibu, Monte Carlo, S10 (1973-2013)GMC Canyon, Jimmy, Safari, Sonoma, Syclone (1982-2012)Hummer H3, H3T (2006-2010)Isuzu Ascender (2003-2008)🔄 Replaces OEM Part Numbers:Richmond Gear: 49-0284-1Nitro Gear & Axle: GM7.5-390-NGEXCEL from Richmond: GM75390🛡 Warranty & Why Choose Motive Gear?2-Year / 100,000-Mile WarrantyDesigned for high-strength and maximum durabilityPrecision-machined for quiet and smooth operationIdeal for performance, towing, and off-road applicationsTrusted brand with industry-leading quality

• ✅ High-Performance 3.90 Ratio Gear Set – Optimized for GM 7.5" & 7.625" 10-bolt differentials, ensuring improved acceleration and towing power.
• ✅ Premium 8620 Steel Construction – Heat-treated for maximum strength, durability, and longevity under extreme conditions.
• ✅ Precision-Cut 10-Tooth Pinion & 39-Tooth Ring Gear – Features a 1.438" pinion shaft diameter, 27-spline pinion, and standard rotation for smooth performance.
• ✅ Direct Fitment for GM Cars & Trucks – Compatible with Buick, Cadillac, Chevrolet, GMC, Hummer, and Isuzu models from 1973-2013.
• ✅ 2-Year / 100,000-Mile Warranty – Backed by Motive Gear’s trusted quality for long-lasting reliability and performance.