Richmond Gear 69-0350-1, Differential Ring & Pinion, For GM 8.875 12-Bolt Gear Ratio 4.10, 30 Spline, 11 Pinion & 41 Ring Tooth - Fits Chevrolet/GMC Trucks, Replaces 12BT410T, 82-0554-1, GM12-411X.

Short Summary: The Richmond Gear 69-0350-1 Differential Ring and Pinion Set is engineered for GM 8.875" 12-bolt truck axles. With a 4.10 gear ratio and thick ring design, it's perfect for vehicles requiring high-strength gearing and low-end torque performance.Features: • 12-Bolt Differential Cover • Gear Ratio: 4.10 • Pinion Gear Tooth Quantity: 8 • Ring Gear Tooth Quantity: 41 • Ring Gear Outside Diameter: Approx. 8.875" • Pinion Spline Count: 30 • Thick Ring Gear - requires 3.40 or lower ratio carrier • Application-specific pinion shaft diameterApplication & Compatibility: Fits GM 8.875" (12 Bolt) Differentials in the following vehicles: • Chevrolet Blazer (1969–1974) • Chevrolet C10 Pickup / Suburban / Panel (1964–1982) • Chevrolet C20 Pickup / Suburban (1969–1981) • Chevrolet G10 / G20 Vans (1964–1981) • Chevrolet K10 / K20 / K5 Blazer / Suburban (1964–1982) • Chevrolet P10 / P20 Vans (1965–1981) • Chevrolet Suburban (1965–1966) • GMC C15 / C25 / C1500 / C2500 Pickup / Suburban (1967–1981) • GMC G15 / G25 / G1500 / G2500 Vans (1967–1981) • GMC Jimmy (1970–1981) • GMC K15 / K1500 Pickup / Suburban (1966–1978) • GMC K1000 Pickup (1966)Replaces: • EXCEL from Richmond: 12BT410T • Richmond Gear: 82-0554-1 • Motive Gear: GM12-411XBrand Warranty & Why Choose Richmond Gear: Richmond Gear backs this product with a 2-Year or 100,000-Mile Warranty, offering peace of mind and reliability. With a legacy of precision engineering and race-proven technology, Richmond Gear is the trusted choice of performance enthusiasts and professionals alike.

• Engineered for GM 8.875" (12-Bolt) truck axles with thick gear design; ideal for use with 3.40 and numerically lower carrier cases; features a 4.10 ratio for optimized towing or performance use.
• Includes premium-grade ring and pinion set with 41-tooth ring gear and 11-tooth pinion; delivers superior gear strength, quiet operation, and long-term durability under load.
• Pinion gear features a 30 spline count and standard shaft diameter; thick ring gear design maintains proper carrier positioning without replacing the carrier.
• Kit includes one ring gear and one pinion gear; installation kit and bearings sold separately; designed for OE replacement or performance upgrade.
• Backed by Richmond Gear's 2-Year or 100,000-Mile warranty; precision engineered in the USA to meet or exceed OE specifications.