The 3spd and 4 spd are different. 4 speed has a square hole and the 3 spd is round. Search e-bay - somone is selling reproductions ones now. No idea how they fit or the quality.

Tim

Tim Sheridan
1947 First Series Chevy 1/2-Ton
"Liberty Series" - "Art Deco" - Whatever you'd like to call it.
In the Gallery