Motive Gear GZ85411, Differential Ring & Pinion For GM 8.3", Gear Ratio: 4.11, 10-Bolt, 32 Spline, 9 Pinion & 37 Ring Tooth - Fits Pontiac G8, Chevy SS & Caprice 2008–2017

Short Summary: The Motive Gear GZ85411 Ring & Pinion Set delivers enhanced performance and acceleration for GM 8.3" rear differentials. Ideal for GM performance sedans like the Pontiac G8, Chevy SS, and Caprice, this set features a 4.11 gear ratio and is manufactured from durable 8620 steel.Key FeaturesGear Ratio: 4.11 – perfect balance of acceleration and drivabilityDifferential Model: GM 8.3" with dropout-style carrierConstruction: Made from premium 8620 gear-grade steelRing Gear: 37 teeth, 8.3" outside diameter, 10-bolt patternPinion Gear: 9 teeth, 1.75" shaft diameter, 32 spline countRotation: StandardWarranty: 2 Years or 100,000 MilesVehicle CompatibilityChevrolet2011–2017 Chevrolet Caprice2014–2017 Chevrolet SSPontiac2008–2009 Pontiac G8Replaces OEM & Aftermarket Part NumbersMotive Gear: GZ85411Warranty & Quality Assurance Motive Gear stands behind the GZ85411 ring and pinion set with a 2-year or 100,000-mile warranty. Precision-engineered to exceed OEM specs and performance expectations, it offers long-lasting reliability and power delivery for GM performance sedans.

• Designed for GM 8.3" differentials; ideal for performance applications including Pontiac G8, Chevrolet SS, and Caprice models from 2008–2017.
• 4.11 gear ratio improves off-the-line acceleration and towing torque; built with premium 8620 steel for added strength and long-term durability.
• Includes ring gear (37 teeth, 8.3" OD), pinion gear (9 teeth, 1.75" shaft), 10 ring gear bolts, and 32 pinion splines for OE fit and smooth operation.
• Standard rotation setup with dropout-style cover; engineered for seamless upgrade from factory gearing in rear-wheel-drive performance sedans.
• Backed by Motive Gear’s 2-year or 100,000-mile warranty; a direct fit replacement that meets or exceeds OE and performance standards.