Re: WTB: Black JB
trem spaced means that--on a Strat or other tremolo-bridged guitar--the poles are more likely to line up with the strings and depending on who you talk to here it's either not necessary (hence the wasted millions in developing trembuckers & F-spacing) or they're useful.
I have a regular-spaced JB in black, got some miles on it. But I think you're better off with a trembucker on that strat.