I got mine from SP http://www.ebay.co.uk/itm/LAND-ROVER-DEFENDER-90-110-SERIES-TYPE-2-PIECE-FRONT-DOOR-TOPS-AND-BOTTOMS-KIT-/252161943846?hash=item3ab605e926:g:ggMAAOSw2XFUblH9
And they fitted my 110 perfectly! Mine were a fair bit cheaper as I didn't need the glass, the handles or the strikers
yup thats the kit I got, I'm guessing that your landy already had series type doors due to not requiring the glass handles or strikers so no wonder they fitted like a glove.