Richmond Gear 69-0370-1, Differential Ring & Pinion, For Chrysler 8.75" (489 Housing), Gear Ratio: 4.57, 29-Spline, 10-Bolt, 29 Pinion & 41 Ring Tooth – Fits 1969–1970 Mopar Models, Replaces: C887456L

Short Summary: The Richmond Gear 69-0370-1 Differential Ring & Pinion set is built for Chrysler 8.75" (489 Housing) axles, offering a 4.57 gear ratio and a 29-spline pinion. Designed for late-model Chrysler, Dodge, Fargo, and Plymouth vehicles from 1969–1970, it enhances acceleration and torque transfer for performance and reliability. A perfect solution for restorations, performance builds, or heavy-duty applications.Key FeaturesAxle Fitment: Chrysler 8.75" with 489 Housing, common in late 1960s and early 1970s Mopar vehicles.Gear Ratio: 4.57 – ideal for performance and towing, providing improved off-the-line power.Spline Count: 29-spline pinion – verify spline count for correct fitment before installation.Performance Engineered: Made from premium-grade materials and precision-machined for durability and quiet operation under stress.Warranty: Covered by a 2-Year / 100,000-Mile manufacturer warranty for confidence and reliability.Vehicle CompatibilityThe Richmond Gear 69-0370-1 fits Chrysler 8.75" axles with the 489 housing. Compatible with the following 1969–1970 models:Chrysler1969–1970 3001969–1970 Imperial1969–1970 New Yorker1969–1970 Newport1969–1970 Town & CountryDodge1969–1970 A1001970 Challenger1969–1970 Charger1969–1970 Coronet1969–1970 D100 Pickup1969–1970 Dart1969–1970 Monaco1969–1970 P2001969–1970 P3001969–1970 Polara1969–1970 W100 PickupFargo1969–1970 D100 Pickup1969–1970 W100 PickupPlymouth1969–1970 Barracuda1969–1970 Fury1969–1970 Fury I1969–1970 Fury II1969–1970 Fury III1969–1970 GTX1969–1970 Road Runner1969–1970 Satellite1969–1970 ValiantReplaces OEM & Aftermarket Part NumbersMotive Gear: C887456LWarranty & Quality AssuranceBacked by a 2-Year / 100,000-Mile warranty, Richmond Gear ring & pinion sets deliver premium quality, strength, and consistency. Trusted by racers, restorers, and enthusiasts alike, Richmond Gear products are engineered for long-term performance and quiet, precise operation under load.

• Designed for Chrysler 8.75" (489 Housing) axles with a 29-spline pinion; perfect for performance restorations or high-torque builds in late-'60s and early-'70s Mopar vehicles.
• Features a 4.57 gear ratio for quicker launches and improved torque transfer; ideal for muscle car and street/strip applications requiring stronger acceleration.
• Precision-cut 29-spline pinion and 41-tooth ring gear ensure optimal engagement, reduced noise, and consistent power delivery under load.
• Fits select 1969–1970 Chrysler, Dodge, Plymouth & Fargo models including Charger, Challenger, Road Runner, Barracuda, Fury, Polara, and more.
• Backed by Richmond Gear’s 2-Year / 100,000-Mile Warranty – built for long-term durability, quiet operation, and premium performance under extreme conditions.