Sonnax 1.65 ratio Extreme planetary assembly kit 28165G-06 is based off the innovative 1.58 ratio architecture fitted with 1.80 style 12DP gears. This is the lowest numerical ratio 12DP gear set for the Powerglide that does not rely on troublesome stepped or timed pinion gears.
Sonnax Extreme series are the best quality Powerglide planetary assemblies for the most demanding applications. Rated above 1,500 horsepower, Extreme assemblies come with:
The gears and shafts in Extreme series gear sets are covered by a two-year warranty.
Contact a Sonnax Parts Distributor.