From the other site
"[FONT=Century Gothic, Verdana, Arial, Helvetica]MBG with a J&S GTB hardtop, these were a fast back style that went all the way to the back of the car and replaced the MGB boot lid with it's own integrated boot lid.
These really did look good in the flesh. They made the MGB GT look like a box in comparison.
The other great advantages of this design were a huge improvement in torsional rigidity (handling) and better aerodynamics (speed) made this car a very quick club racer."[/FONT]