My 65ls is a 1982.
My stand had the foot stem broken on it so decided to purchase the new modified stand with better stem and foot pressure plate.
The only trouble is the new stand doesn't need the original stand connector lugs which swivel off the frame. I found you couldn't remove these either without taking the engine out or dropping it.
The supplied springs were too long as well as the original stand springs.
I couldn't find any springs of the shelf so had some made by a company called Vincent Springs (Uk). I sent them the original stand spring for tension, thickness of wire, diameter and length of leg. The overall length of the spring is 70mm. The distance it needs to fit on the bike is 85mm. Cost £6 including postage.
Only got them in the post this morning (see pic showing original spring and new shorter spring). Will fit them over weekend and let you know how I got on.