if u can drill a board over the hole and make ur own little mounting hole for 4inch speaker in the 6.5 spot i have some new condition 4inch lanzar coaxils u may be interested in. They have the box, grills, paperwork, EVERYTHING as if new since they are only 3 months old and are still under a manufacture warranty from a local retailer. bought them for 50 as a quick replacement for some other speakers that blew and then i upgraded to some mb quarts recently so i dont need these anymore. for medium grade price these things sound nice and never heat up. 25 bucks. comes with warranty from A-1. call me @ 813-310-1589 -Jay