Richmond Gear 69-0352-1 Differential Ring & Pinion For GM 8.875" 12-Bolt Trucks Ratio 4.56, Thick Ring Gear, Fits 2.76–3.42 Ratio Carrier - Fits Chevy/GMC Trucks & Vans, Replaces 12BT456T, GM12-456X

Short SummaryThe Richmond Gear 69-0352-1 differential ring and pinion gear set is engineered for GM 8.875" (12 Bolt) truck axles using a 2.76–3.42 ratio carrier. Featuring a 4.56 thick ring gear, it’s designed for enhanced torque transfer, improved off-road traction, and heavy-duty durability.Key FeaturesRatio: 4.56 Thick Ring Gear — For GM 12 Bolt truck axles with a 2.76–3.42 ratio carrierPremium-grade heat-treated construction ensures high strength and reliabilityPrecision-cut ring and pinion gears reduce noise and ensure smooth operationDesigned for trucks needing high torque multiplication for towing or off-roadingIncludes ring gear and pinion gear — installation kit sold separatelyVehicle CompatibilityChevrolet1969–1974 Blazer1975–1982 C10, 1965–1974 C10 Pickup, 1964 C10 Pickup, 1965–1967 C10 Panel, 1967–1982 C10 Suburban1975–1981 C20, 1969–1974 C20 Pickup, 1973–1981 C20 Suburban1975–1981 G10, 1964–1974 G10 Van, 1975–1981 G20, 1967–1974 G20 Van1975–1981 K10, 1964–1974 K10 Pickup, 1967–1982 K10 Suburban1975–1981 K20, 1969–1974 K20 Pickup, 1973–1981 K20 Suburban1975–1981 K5 Blazer1975–1980 P10, 1965–1974 P10 Van, 1965–1967 P10 Series1975–1981 P20, 1966–1967 P20 Series, 1968–1974 P20 Van1965–1966 SuburbanGMC1975–1978 C15, C15 Suburban; 1967–1974 C15/C1500 Pickup & Suburban; 1979–1982 C1500, C1500 Suburban1975–1978 C25, C25 Suburban; 1969–1974 C25/C2500 Pickup & Suburban; 1979–1981 C2500, C2500 Suburban1965–1966 G1000 Series1975–1978 G15; 1967–1974 G15/G1500 Van; 1979–1981 G15001975–1978 G25; 1967–1974 G25/G2500 Van; 1979–1981 G25001970–1981 Jimmy1966 K1000 Pickup; 1975–1978 K15, K15 Suburban; 1966–1974 K15/K1500 Pickup & Suburban; 1979–1982 K1500, K1500 Suburban1975–1978 P15; 1967–1974 P15/P1500 Van; 1979–1980 P15001975–1978 P25; 1967–1974 P25/P2500 Van; 1979–1981 P25001965–1966 PB1000, PB1500 Series; 1966 PB15 Series; 1966 PB2500 VanReplaces OEM & Aftermarket Part NumbersEXCEL from Richmond: 12BT456TMotive Gear: GM12-456XNitro Gear & Axle: GM12T-456T-NGWarranty & Quality AssuranceBacked by a 2-Year or 100,000-Mile Warranty, Richmond Gear delivers exceptional quality and performance. Trusted by professionals for decades, Richmond ring & pinion sets are rigorously tested and made to OE standards for long-term durability and reliability.

• Engineered by Richmond Gear, this 4.56 thick ring & pinion set is built for GM 8.875" (12-bolt) truck axles, providing a performance upgrade while retaining OE compatibility with carriers ranging from 2.76 to 3.42 ratio.
• Designed specifically for heavy-duty use in Chevrolet and GMC trucks and vans from 1964–1982, including C10, K10, Suburban, Blazer, G-Series Vans, and more — ideal for towing, off-road, or restoration.
• Thick gear design allows installation on standard 2.76–3.42 carriers without the need for carrier replacement, saving time and cost during upgrade or repair.
• Precision-forged for strength and durability, featuring high-quality materials, consistent gear patterns, and Richmond's strict manufacturing standards for quiet, long-lasting operation.
• Backed by a 2-year / 100,000-mile warranty; replaces EXCEL 12BT456T, Motive Gear GM12-456X, Nitro Gear GM12T-456T-NG — includes ring gear and pinion with matched set markings for easy installation.