GM Aluminum Powerglide Sonnax 28154S Stator Support Shaft Chevy Nova, Chevelle, Corvette, GMC 1962 - 1972 Aluminum Powerglide Sonnax 28154S Shaft Stator Support Sonnax brand Stator Support Shaft for GM Aluminum Powerglide transmissions. The Sonnax Powerglide Stator Support Shaft 28154S, made of high quality heat-treated alloy steel, provides added strength to give solid support to the torque converter stator. The roller burnish finish in the seal bore improves sealing for better pressure. The spline and knurl areas have been selectively induction hardened for wear resistance; a more pronounced knurl enables more positive press fit. Specially designed for severe duty race applications. Bored to accept bushing 35007 for Turbo Hydramatic applications. Heat-treated alloy steel for added strength Improved sealing in the bore Induction hardened knurl and splines Improved knurl design for tighter press fit Vehicle models compatible with this part include: Chevy Chevelle, Corvette, Corvair, Nova, Monte Carlo, Vega, Chevy II. Various GMC V8 model years using the above listed RWD transmission start in 1962 thru 1973.