Motive Gear G884370, Differential Ring & Pinion, For GM 8.2" Gear Ratio 3.73, 10-Bolt, 17 Spline, 11 Pinion & 41 Ring Tooth Fits Bel Air, Impala, Corvette, El Camino Replaces YG GM55P-373, 49-0099-1.

Motive Gear G884370, Differential Ring & Pinion, For GM 8.2" (1955–1964) Cars, Gear Ratio: 3.73, 10-Bolt, 17 Spline, 11 Pinion & 41 Ring Tooth – Fits Bel Air, Impala, Corvette, El Camino & More (1955–1964) – Designed to upgrade or replace worn gear sets in classic GM cars, this 3.73 ring and pinion offers strong performance and OE-style precision in vintage applications.⚙ Features & Benefits:Classic Ratio: 3.73 gear ratio offers great off-the-line performance while maintaining cruise drivability – ideal for muscle and vintage builds.Premium 8620 Steel: Heat-treated for maximum strength and wear resistance, ideal for street and light performance applications.Precision Fit: Features a 10-bolt ring gear, 17-spline pinion, and 1.438" shaft diameter, engineered to factory tolerances.Full Gear Set: Includes 11-tooth pinion and 41-tooth ring gear; standard rotation; fits GM 8.2” dropout-style rear ends from 1955–1964.Industry-Leading Warranty: Backed by a 2-Year / 100,000-Mile warranty from Motive Gear.🔄 Applications & Compatibility:🔹 Chevrolet:Bel Air (1955–1964)Biscayne (1958–1964)Chevy II (1962–1964)Corvette (1955–1962)El Camino (1959–1960, 1964)Impala (1958–1964)Nomad (1958–1961)One-Fifty Series (1955–1957)Two-Ten Series (1955–1957)🔄 Replaces:Yukon Gear & Axle: 24143, YG GM55P-373Richmond Gear: 49-0099-1Revolution Gear & Axle: GM55P-373Nitro Gear & Axle: GM55P-373-NGEXCEL from Richmond: GM82373E🛡 Warranty & Why Choose Motive Gear?🛡 Warranty: 2 Years / 100,000 Miles – Manufacturer-backed confidence in quality and longevity.⚙ OE Precision: Engineered to meet or exceed OEM standards for fit, finish, and performance.🔧 Trusted Brand: Motive Gear is a leader in performance drivetrain components trusted by professionals and enthusiasts alike.

• Made for classic GM 8.2" axles (1955–1964); 3.73 gear ratio offers a great balance between performance and driveability for restored and performance-modified vehicles.
• Manufactured from heat-treated 8620 steel; engineered for durability, precision, and quiet operation under heavy torque and stress.
• 10-bolt ring gear with 17-spline pinion; 1.438" pinion shaft diameter; includes 11-tooth pinion and 41-tooth ring gear.
• Requires a carrier break for 3.08–3.70 ratios; compatible with GM cars featuring dropout-style center sections.
• Covered by a 2-Year / 100,000-Mile warranty; replaces YG GM55P-373, 49-0099-1, GM82373E, GM55P-373-NG