BL Recone kits
 
BL v1 recone kits used a double stack of 7.5" diamteter magnets and had slanted/angled back and top plates. Motors were silver.  There are NO recones available for this model as coil gaps and coils were much smaller and no longer stocked.
 
BL v2 recone kits used a double stack of 8.66" diamteter magnets and had slanted/angled back and top plates. Motors were silver or dark grey.
 
BL v3 recone kits used a double stack of 8.66" diameter magnets and had a Fi gear on the back with small stainless button head screws.  Early motors were dark grey while most motors were all black.
 
All kits come with 4 stiff spiders.
All recones come with 8" spiders (some variations used 7" but going to 8" is a solid upgrade).
All recones come with the wide surround (some variations used a narrow tall surround).
All recones come with old style dual push terminal blocks.