SHIFTWORKS sells conversion kits, parts and accessories to convert 1964-81 General Motors factory automatic (Powerglide and TH) console shifters for use with Turbo Hydramatic and Overdrive transmissions.
Now you can retain that original factory LOOK and still upgrade your transmission. Whether you want to replace your Powerglide with a TH350 or TH400 transmission or upgrade to an overdrive transmission like the TH200-4R, TH700-R4, or the 4L60, you can keep your original factory shifter! Shiftworks kits allow you to modify the shifter to function properly with different transmissions.
PO Box 25351