Motive Gear BP882373 Differential Ring & Pinion, For GM 8.2" BOP Gear Ratio 3.73, 10-Bolt 27 Spline 11 Pinion & 41 Ring Teeth – Fits Buick Oldsmobile Pontiac Replaces Yukon YG GMBOP-373 Dorman 697-803

Short Summary: The Motive Gear BP882373 ring and pinion set offers a 3.73 gear ratio for GM 8.2" BOP differentials found in classic Buick, Oldsmobile, and Pontiac vehicles. Engineered with 8620 steel and a non C-clip design, this set delivers quiet performance and exceptional strength.Key FeaturesApplication: GM 8.2" BOP (Buick/Olds/Pontiac)Gear Ratio: 3.73Differential Carrier Break: 3.36 and HigherPinion Teeth: 11 | Ring Teeth: 41Pinion Shaft Diameter: 1.438"Pinion Spline Count: 27Ring Gear Outside Diameter: 8.2"Ring Gear Bolt Count: 10Material: 8620 SteelDesign: Standard Rotation, Non-C-ClipWarranty: 2 Years or 100,000 MilesVehicle CompatibilityBuick1964–1972 Buick Electra1965–1967 Buick Gran Sport1970–1972 Buick GS / GS 350 / GS 400 / GS 4551964–1972 Buick Skylark / Special / SportwagonOldsmobile1965–1971 Oldsmobile 4421964–1972 Oldsmobile Cutlass / Cutlass SupremePontiac1964–1972 Pontiac Bonneville / Catalina / Grand Prix / GTO1967–1971 Pontiac Firebird1969–1970 Pontiac TempestReplaces OEM & Aftermarket Part NumbersSVL: 10004614Yukon Gear and Axle: 24505, YG GMBOP-373Dorman: 697-803Nitro Gear & Axle: GMBOP-373-NGWarranty & Quality Assurance Motive Gear BP882373 is built from premium 8620 steel to handle performance and vintage restoration demands. Each set is backed by a 2-year or 100,000-mile warranty, ensuring dependable performance and fitment across a wide range of GM BOP muscle cars.

• 3.73 Gear Ratio for GM 8.2" BOP Rear Axles – Ideal performance ratio for vintage GM Buick, Oldsmobile, and Pontiac models without C-clips.
• High-Quality 8620 Steel Construction – Forged for durability and precision-machined for smooth, quiet operation in high-load conditions.
• Standard Rotation with 10-Bolt Ring Gear – Features 11-tooth pinion and 41-tooth ring gear; 27-spline pinion with 1.438” shaft diameter.
• Fits Carrier Breaks of 3.36 and Higher – Designed for factory differentials using bolt-in axles; not compatible with C-clip axle designs.
• Backed by 2-Year/100,000-Mile Warranty – Manufactured by Motive Gear, a leader in differential components for classic and performance applications.