1.98 Ratio Bolt-Together Standard Planetary Set for GM Powerglide 27 9/16" Length, 27-Spline

Our 1.80 Ratio Bolt-Together Powerglide 27-Spline Planetary Set is a cleverly engineered bolt-together design that is easily rebuildable and allows for gear ratio or output shaft changes. The heat-treated 9310 steel provides enough strength to withstand any racing environment. Features roller thrust bearings instead of washers for the sun gear and input shaft.