Revolution Gear Dana 30 Reverse 4.88 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 running and" Longer" Life. With products that have been Street, Off Road and race proven for more than a decade, you can count on Revolution Gear and Axle products to be the best aftermarket parts available.