Eaton Posi Differential 17 Spline 3.90 & Down Ring Gear Pinion Ratio Rear 8.2in 19686-010
EAT Posi Diffs
The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. When torque input increases the clamping load on the clutch packs increases. That causes the chatter-free clutch packs to grab and transfer power to the other wheel. Muscle cars, hot rods and mild off-road vehicles should look to Eatonss limited-slip differential for their traction answers. And the fact is, Eatons Posi units are virtually bullet proof.
Eaton Posi" Differential; 17 Spline; 3.90 And Down Ring Gear Pinion Ratio; Rear 8.2 in.;
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955 - 1958 | Buick | Century | Base |
| 1959 - 1962 | Buick | Electra | 225 |
| 1959 - 1964 | Buick | Electra | Base |
| 1959 - 1964 | Buick | Estate Wagon | Base |
| 1959 - 1963 | Buick | Invicta | Base |
| 1959 - 1964 | Buick | LeSabre | Base |
| 1958 | Buick | Limited | Base |
| 1963 - 1964 | Buick | Riviera | Base |
| 1957 | Buick | Roadmaster | 75 |
| 1955 - 1958 | Buick | Roadmaster | Base |
| 1961 - 1964 | Buick | Skylark | Base |
| 1955 - 1964 | Buick | Special | Base |
| 1961 - 1964 | Buick | Special | Deluxe |
| 1964 | Buick | Sportwagon | Base |
| 1955 - 1958 | Buick | Super | Base |
| 1962 - 1964 | Buick | Wildcat | Base |
| 1955 - 1964 | Chevrolet | Bel Air | Base |
| 1955 - 1956 | Chevrolet | Bel Air | Beauville |
| 1955 - 1957 | Chevrolet | Bel Air | Nomad |
| 1958 - 1964 | Chevrolet | Biscayne | Base |
| 1960 | Chevrolet | Biscayne | Fleetmaster |
| 1958 - 1961 | Chevrolet | Brookwood | Base |
| 1964 | Chevrolet | Chevelle | SS, Base |
| 1962 - 1964 | Chevrolet | Chevy II | Base, Nova |
| 1964 | Chevrolet | Chevy II | Nova SS |
| 1961 - 1964 | Chevrolet | Corvair | 95 |
| 1961 | Chevrolet | Corvair | Lakewood |
| 1962 - 1964 | Chevrolet | Corvair | Monza Spyder |
| 1960 - 1964 | Chevrolet | Corvair | Monza, Base, Deluxe |
| 1955 - 1964 | Chevrolet | Corvette | Base |
| 1957 - 1958 | Chevrolet | Del Ray | Base |
| 1958 - 1964 | Chevrolet | Impala | Base |
| 1964 | Chevrolet | Impala | SS |
| 1959 - 1961 | Chevrolet | Kingswood | Base |
| 1964 | Chevrolet | Malibu | Base |
| 1955 - 1961 | Chevrolet | Nomad | Base |
| 1955 - 1957 | Chevrolet | One-Fifty Series | Base |
| 1959 - 1961 | Chevrolet | Parkwood | Base |
| 1955 - 1957 | Chevrolet | Two-Ten Series | Del Ray, Base |
| 1958 | Chevrolet | Yeoman | Base |
| 1964 | Oldsmobile | 442 | Base |
| 1955 - 1957 | Oldsmobile | 88 | Holiday, Base |
| 1955 - 1964 | Oldsmobile | 98 | Base |
| 1963 - 1964 | Oldsmobile | 98 | Custom |
| 1958 - 1964 | Oldsmobile | 98 | Holiday |
| 1961 | Oldsmobile | Classic 98 | Base |
| 1961 - 1964 | Oldsmobile | Cutlass | Base |
| 1964 | Oldsmobile | Cutlass | Holiday |
| 1955 - 1956 | Oldsmobile | Deluxe 88 | Base |
| 1958 - 1964 | Oldsmobile | Dynamic 88 | Base, Holiday |
| 1961 - 1964 | Oldsmobile | F85 | Base |
| 1962 - 1964 | Oldsmobile | F85 | Deluxe |
| 1957 - 1964 | Oldsmobile | Fiesta | Base |
| 1957 | Oldsmobile | Golden Rocket 88 | Base |
| 1962 - 1963 | Oldsmobile | Jetfire | Base |
| 1964 | Oldsmobile | Jetstar 88 | Base, Holiday |
| 1964 | Oldsmobile | Jetstar I | Base |
| 1955 - 1964 | Oldsmobile | Starfire | Base |
| 1957 | Oldsmobile | Starfire | Holiday |
| 1955 - 1964 | Oldsmobile | Super 88 | Holiday, Base |
| 1964 | Oldsmobile | Vista Cruiser | Base, Custom |
| 1957 - 1964 | Pontiac | Bonneville | Base |
| 1959 - 1962 | Pontiac | Bonneville | Custom |
| 1959 - 1964 | Pontiac | Bonneville | Safari |
| 1964 | Pontiac | Catalina | 2+2 |
| 1955 - 1964 | Pontiac | Catalina | Base |
| 1959 - 1964 | Pontiac | Catalina | Safari |
| 1962 - 1964 | Pontiac | Catalina | Ventura |
| 1955 - 1958 | Pontiac | Chieftain | Base, Safari |
| 1957 | Pontiac | Chieftain | Custom Safari Transcontinental, Custom Safari |
| 1962 - 1964 | Pontiac | Grand Prix | Base |
| 1964 | Pontiac | GTO | Base |
| 1963 - 1964 | Pontiac | LeMans | Base |
| 1955 - 1964 | Pontiac | Star Chief | Base |
| 1955 - 1957 | Pontiac | Star Chief | Custom |
| 1958 | Pontiac | Star Chief | Super Deluxe, Custom Safari |
| 1957 - 1958 | Pontiac | Super Chief | Base |
| 1961 - 1962 | Pontiac | Tempest | LeMans |
| 1961 - 1964 | Pontiac | Tempest | Safari, Custom, Base |
| 1960 - 1961 | Pontiac | Ventura | Base |