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SKU: YG GM8.5-308 | UPC: 883584244929
Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.08 Ratio
Upgrade your GM 8.5-inch and 8.6-inch differentials with this Yukon Gear high performance ring and pinion set in a precise 3.08 ratio. Designed for Chevrolet trucks, SUVs, GMC Sierra models, and more from 1980 to 2017 including Silverado 1500, Tahoe, Suburban. Engineered to cut friction and heat for endurance in long races and high torque applications while matching OEM specifications.
Key Features
- Advanced Gear Design: State-of-the-art processes ensure exact specifications with smooth tooth surface finish that lowers friction and heat buildup.
- Premium Materials: High grade steel construction in both ring gear and pinion delivers strength for added horsepower and larger tires.
- OEM-Level Fitment: Precision machined to original equipment specs for seamless integration in GM 8.5in and 8.6in housings.
- Wide Ratio Availability: Yukon provides multiple gear ratios to match your drivetrain needs for optimal performance.
- Comprehensive Warranty: Includes 1-year warranty against manufacturing defects plus optional Y.E.S. Plan for lifetime coverage.
Product Notes
- Verify differential spline count (30 spline standard for most applications) before purchase.
- Break-in procedure required: drive 500 easy miles post-install then change gear oil.
- Packaged in protective box weighing 21.85 lbs with dimensions 15in x 15in x 6in.
Installation Notes
- Professional installation recommended.
- Requires pinion depth, backlash, and preload adjustments using dial indicator and torque wrench.
- Compatible with factory GM carriers. master overhaul kit recommended for rebuild.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1980-1981 | Chevrolet | Caprice | Classic Landau |
| 1993-1994 | Chevrolet | Caprice | Classic LS |
| 1987-1990 | Chevrolet | Caprice | Classic LS Brougham |
| 1991-1993 | Chevrolet | Caprice | Classic LTZ |
| 1980 | Chevrolet | Caprice | Classic Sport |
| 2004 | Chevrolet | Colorado | Base |
| 1980-1981 | Chevrolet | Malibu | Base |
| 1980-1983 | Chevrolet | Malibu | Classic |
| 1980-1986 | Chevrolet | C10 | Scottsdale |
| 1980-1986 | Chevrolet | C10 | Silverado |
| 1980-1986 | Chevrolet | K10 | Silverado |
| 1980-1986 | Chevrolet | K20 | Scottsdale |
| 1980-1986 | Chevrolet | K20 | Silverado |
| 1980-1989 | Buick | Electra | Estate Wagon |
| 1980-1995 | Chevrolet | G20 | Beauville |
| 1980-1995 | Chevrolet | G20 | Chevy Van |
| 1999-2013 | Chevrolet | Silverado 1500 | LS |
| 1999-2017 | Chevrolet | Silverado 1500 | LT |
| 2000-2014 | Chevrolet | Suburban 1500 | LS |
| 1995-2017 | Chevrolet | Tahoe | LS |
| 1980-1986 | GMC | C1500 | Base |
| 1988-1998 | Chevrolet | C1500 | Silverado |
| 1992-1999 | GMC | C1500 Suburban | SLE |
Why Choose Yukon Gear?
- Leads industry standards with in-house quality labs validating every gear set.
- Handles high torque and extended use through friction-reducing finishes.
- Matches OEM specs exactly for reliable fit across GM platforms.
Frequently Asked Questions
-
Q: Which GM differentials does this gear set fit?
A: Designed for GM 8.5-inch and 8.6-inch 10-bolt differentials with 30-spline carriers in Chevy/GMC 1500 trucks, SUVs like Silverado, Sierra, Tahoe, Suburban from 1988-2013 primarily, plus select 1980+ models listed. -
Q: What steel is used in construction?
A: High grade steel alloy in ring gear and pinion for maximum durability under heavy loads and heat. -
Q: What warranty coverage applies?
A: 1-year manufacturer defect warranty standard with optional Y.E.S. Plan providing lifetime no-questions-asked protection while you own the vehicle.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure double-wall box 15in L x 15in W x 6in H
- Weight: 21.85 lbs
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