Motive Gear MGK-225 Differential Ring & Pinion Rebuild Bearing Kit For GM 8.25" IFS/GM 8.625" Gear Ratio 4.56, 10-Bolt 30 Spline 9 Pinion & 41 Ring Tooth - Fits GM 1500 SUVs & Trucks Replaces GM10-456
Product details
| Management number | 215291252 | Release Date | 2026/04/12 | List Price | $359.21 | Model Number | 215291252 | ||
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Short Summary: The Motive Gear MGK-225 Ring and Pinion Set delivers a full 4.56 ratio upgrade for GM 8.25" IFS front and GM 8.625" rear axles. Designed for GM 1500-series trucks and SUVs (2009–2014), this matched gear package includes Koyo bearing kits for dependable performance and installation confidence.Key FeaturesApplication: GM 8.25" IFS Front / GM 8.625" Rear AxlesGear Ratio: 4.56Pinion Teeth: 9Ring Teeth: 41Pinion Shaft Diameter: 1.626"Pinion Spline Count: 30Ring Gear OD: 8.25" Front / 8.5" RearRing Gear Rotation: Reverse Front / Standard RearCarrier Break: Front: 3.42+ / Rear: 2.73+Material: 8620 Heat-Treated SteelIncludes: Ring & Pinions, Koyo Bearings, Shims, Seals, Thread Locker, Gear Marking CompoundWarranty: 1 Year or 50,000 MilesVehicle CompatibilityCadillac2009–2014 EscaladeChevrolet2009–2013 Avalanche2009–2014 Silverado 15002009–2013 Suburban 15002009–2012 TahoeGMC2009–2012 Sierra 15002009–2014 Yukon2009–2014 Yukon XL 1500Replaces OEM & Aftermarket Part NumbersMotive Gear: GM10-456IFS, GM10-456Revolution Gear & Axle: REV-CHEVY-1500-LATE-456Warranty & Quality Assurance Motive Gear products are manufactured using high-quality 8620 steel for maximum strength and performance under stress. Backed by a 1-year or 50,000-mile warranty, MGK-225 includes premium Koyo bearings and installation hardware for long-lasting service life and peace of mind.
- 4.56 Ratio Front & Rear Gear Set for GM 1500s – Ideal for towing and performance upgrades on 2009–2014 Silverado, Sierra, Escalade, and other GM 1500 series vehicles.
- Built from Premium 8620 Steel – Ring and pinion gears are engineered for long-lasting durability in high torque applications.
- Includes Reverse-Cut Front and Standard Rear Gears – Features 8.25" IFS and 8.5" rear axles with 9 pinion and 41 ring gear teeth; includes Koyo bearing kits.
- Optimized Carrier Fitment – Front requires 3.42+ carrier; rear requires 2.73+ carrier to ensure proper mesh and differential alignment.
- Complete Installation Package – All-in-one set with matched front and rear ring & pinions, bearings, seals, and setup accessories for quick, precise installation.
| Brand | Motive Gear |
|---|---|
| Model | Ring and Pinion Install Kit |
| Exterior | Machined |
| Item Weight | 36.8 pounds |
| Manufacturer | Motive Gear |
| Item model number | MGK-225 |
| Package Dimensions | 16 x 16 x 12 inches |
| Manufacturer Part Number | MGK-225 |
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Differential Assembly Kits
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