That was sold through Direct><Connection. Not sure when they first offered it, but it is in the 1987 through the 1998 catalogs. Part #P4120358. I believe it may have been available in the 70's from MAS, JC Whitney, and/or others.

Brad

Check out the Dorn's 69 Barracuda "Switchblade" in the Nov.2010 MCG
Check out the Dorn's refurbished 36 Ford in the Feb.2011 Street Rodder