GM 8.5" 8.6” 10 Bolt Revolution Gear Differential Ring and Pinion Gear Set Ratio::4.88 Dodge Polara (1960-1974)

Dodge Polara (1960-1974)

125 Front (Inch)

Chevrolet / Chevy P3500 (1997-1999)

Transfer Case Model: New Process NP233

1973-1975 Buick Apollo

GM 8.5" 8.6” 10 Bolt Revolution Gear Differential Ring and Pinion Gear Set Ratio::4.88 Dodge Polara (1960-1974)Revolution Gear & Axle Ring and Pinion Description Revolution Gear GM 8. 5 Inch (72andUP) 10 Bolt Ratio gear sets are made from top quality 8620 Steel and are precision heat treated to OEM specifications, making for the best aftermarket gears available. All Revolution Ring and Pinion sets are backed by an industry leading 2 Year Warranty against defects. Revolution gears are also double, and in some cases triple lapped for flawless setup, smother