Yukon Gear YG GM9.5-456 High Performance Gear Set For GM 9.5in 4.56 Ratio
Yukon Gear & Axle high performance ring and pinion set delivers reliable power transfer for GM 9.5" 14-bolt semi-float axles in Chevrolet and GMC trucks, SUVs, and vans from 1979-2014. Engineered for high torque and long races with reduced friction and heat buildup. Perfect for adding horsepower or larger tires with precise OEM-spec fitment.
Key Features
- Advanced Gear Design – State-of-the-art engineering and in-house testing ensure exact specifications for smooth operation.
- Premium Surface Finish – Gear tooth design cuts friction and heat in high-load conditions like racing or towing.
- High Grade Steel – 8620 steel construction in ring gear (41 teeth) and pinion gear (9 teeth, 30-spline) for durability.
- OEM Fitment – Direct replacement for GM 9.5" 14-bolt axles, compatible with 2WD/4WD models.
- Ratio Options – Widest selection available including this 4.56:1 for optimized performance with big tires.
- Warranty Coverage – 1-year against manufacturing defects, optional Y.E.S. Plan for lifetime no-questions-asked protection.
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Ring & Pinion Gear Set |
| Ratio | 4.56:1 |
| Axle | GM 9.5" 14-Bolt Semi-Float |
| Material | 8620 High Grade Steel |
| Ring Teeth | 41 |
| Pinion Teeth | 9 (30-Spline) |
| Weight | 25.5 lbs |
| Shipping Dimensions | 18" x 18" x 8" |
| Country of Origin | USA |
| Warranty | 1-Year Manufacturer Defects + Y.E.S. Lifetime Option |
Whats Included
- Ring Gear (41 Teeth)
- Pinion Gear (9 Teeth, 30-Spline)
- Complete Master Gear Set
Product Notes
- Requires professional installation and proper break-in procedure for optimal performance.
- Special order item - allow extra time for processing.
- Master install kit recommended (sold separately).
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1979-1986 | Chevrolet | C20, C20 Suburban | Cheyenne, Custom, Deluxe, Scottsdale, Silverado |
| 1988-1998 | Chevrolet | C1500, C2500 | Cheyenne, Scottsdale, Silverado, WT |
| 1999-2013 | Chevrolet | Silverado 1500 | LS, LT, LTZ, WT, Hybrid, XFE |
| 2007-2013 | Chevrolet | Avalanche, Tahoe | LS, LT, LTZ. Black Diamond LS/LT/LTZ |
| 2000-2014 | Chevrolet | Suburban 1500 | LS, LT, LTZ, Z71 |
| 1996-2014 | Chevrolet | Express 1500/2500/3500 | Base, LS, LT |
| 1979-1996 | Chevrolet | G20, G30 | Beauville, Chevy Van, Sportvan, Hi-Cube |
| 1988-2000 | GMC | C1500, C2500 | Sierra, SLE, SLT, SL |
| 1999-2013 | GMC | Sierra 1500 | SL, SLE, SLT, WT, Hybrid |
| 1992-2013 | GMC | Yukon, Yukon XL, Savana | SLE, SLT, Base, Denali |
| 2003-2009 | Hummer | H2 | Base |
| 2008 | Saab | 9-7x | 4.2i, 5.3i, Aero |
| 1979-2000 | Chevrolet/GMC | K20/K2500, V20/V2500 Series | Various Submodels |
Why Choose Yukon Gear?
- Two in-house quality labs verify every gear meets strict standards.
- Reduces operating temperatures for sustained high-performance use.
- Handles added power from engines or oversized tires without failure.
- Lifetime Y.E.S. protection plan available for vehicle ownership duration.
Frequently Asked Questions
- Q: What axle does this gear set fit?
- A: GM 9.5" 14-bolt semi-float axles in specified Chevy/GMC models 1979-2014.
- Q: Is installation straightforward?
- A: Designed to OEM specs but requires gear setup expertise and break-in.
- Q: What warranty is provided?
- A: 1-year against defects. upgrade to Y.E.S. for lifetime coverage.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed to prevent damage, 25.5 lbs, 18x18x8 inches
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