SKU: YDGGM12P-3-30-1 | UPC: 883584260110
Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 30 Spline Axles / 3.08 To 3.90 Ratio
Yukon Dura Grip positraction limited slip differential delivers smooth aggressive traction for GM 12-bolt car applications with 30 spline axles and 3.08 to 3.90 gear ratios. Built for classic muscle cars like 1964-1973 Chevrolet Camaro Chevelle Impala El Camino Bel Air Biscayne Nova Pontiac Firebird GTO Buick Wildcat. Gain confident power delivery on street track or dirt with rebuildable design for lasting performance.
Key Features
- Smooth Aggressive Traction – Delivers consistent grip across varied terrains without chatter
- Rebuildable Construction – Fully serviceable design extends service life with available kits
- Nodular Iron Case – High strength housing withstands heavy torque loads
- Forged Chromoly Gears – 4320 steel spider gears resist wear and failure
- Composite Clutches – Friction material provides reliable lockup and heat resistance
- Direct Fit Design – Matches GM 12-bolt 8.875-inch ring gear carriers precisely
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Clutch-Type Limited Slip Differential |
| Compatibility | GM 12-Bolt Car 30 Spline 3.08-3.90 Ratio |
| MPN | YDGGM12P-3-30-1 |
| Axle Spline | 30 |
| Ring Gear Size | 8.875 Inch |
| Weight | 22 lbs |
| Shipping Dimensions | 14 x 14 x 14 inches |
| Country of Origin | USA |
| Warranty | Limited Lifetime |
Whats Included
- Dura Grip positraction carrier assembly
- Forged 4320 chromoly spider gears
- Composite clutch pack
- Cross pin and retainer bolt
Product Notes
- Requires 30 spline axles and 3.08-3.90 gear ratios
- Car series 12-bolt only not truck
- Pre-assembled ready for direct installation
- Service and rebuild kits sold separately
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1964-1969 | Buick | Wildcat | Base |
| 1965-1970 | Buick | Wildcat | Custom |
| 1965 | Buick | Wildcat | Deluxe |
| 1966 | Buick | Wildcat | Gran Sport |
| 1964-1972 | Chevrolet | Bel Air | Base |
| 1964-1972 | Chevrolet | Biscayne | Base |
| 1967-1972 | Chevrolet | Camaro | Base |
| 1967-1972 | Chevrolet | Camaro | RS |
| 1967-1972 | Chevrolet | Camaro | SS |
| 1967-1972 | Chevrolet | Camaro | Z28 |
| 1966-1970 | Chevrolet | Caprice | Base |
| 1967-1968 | Chevrolet | Chevelle | 300 |
| 1967-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1964-1968,1970-1972 | Chevrolet | Chevelle | Base |
| 1967-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1965-1967,1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1968-1972 | Chevrolet | Chevelle | Malibu |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1964-1972 | Chevrolet | Chevelle | SS |
| 1964-1967 | Chevrolet | Chevy II | Base |
| 1964-1968 | Chevrolet | Chevy II | Nova |
| 1964-1967 | Chevrolet | Chevy II | Nova SS |
| 1965-1972 | Chevrolet | El Camino | Base |
| 1968-1972 | Chevrolet | El Camino | Custom |
| 1968-1972 | Chevrolet | El Camino | SS |
| 1964-1973 | Chevrolet | Impala | Base |
| 1964-1967 | Chevrolet | Impala | SS |
| 1970-1972 | Chevrolet | Monte Carlo | Base |
| 1969-1972 | Chevrolet | Nova | Base |
| 1969 | Pontiac | Firebird | 350 |
| 1969 | Pontiac | Firebird | 350 HO |
| 1969 | Pontiac | Firebird | 400 |
| 1969-1972 | Pontiac | Firebird | Base |
| 1970-1972 | Pontiac | Firebird | Esprit |
| 1970-1972 | Pontiac | Firebird | Formula |
| 1969 | Pontiac | Firebird | Sprint |
| 1969-1972 | Pontiac | Firebird | Trans Am |
| 1970-1972 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
Why Choose Yukon Gear?
- Proven traction in racing and street applications
- Durable components handle high horsepower
- Rebuildable saves money over time
- Precision engineering fits perfectly
Frequently Asked Questions
- Q: What gear ratios does this Dura Grip fit?
- A: Designed for 3.08 to 3.90 ratios in GM 12-bolt cars
- Q: Is this unit rebuildable?
- A: Yes fully rebuildable with Yukon service kits
- Q: Does it fit 1967-1972 Camaro?
- A: Yes fits Base RS SS Z/28 models with 30 spline axles
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure heavy-duty box with foam inserts
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