Sonnax offers complete Powerglide planetary assemblies in a variety of ratios and configurations to ensure you get the performance you want without overpaying or sacrificing quality.

The value-priced Contender series features high-quality Powerglide gear sets which offer a significant upgrade from OE helical gears. Rated up to 1,000 horsepower, this gear set contains Sonnax Premium 9310 sun gears and 8620 pinion gears. The billet drum flange is 12-tooth (OE) design. Contender series gear sets are covered by a one-year warranty.