2.5 inch. 3.5 was way too tight. http://www.ebay.com/itm/Digital-2-5-inch-Rear-View-TFT-LCD-Car-Monitor-for-DVD-VCR-Backup/332015973764?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D40293%26meid%3D0739cd1f439c461ba53dc44f9c9c4274%26pid%3D100011%26rk%3D1%26r...

Helder wrote:I have some left over just PM me and we can set something up.

I know this is quite an old thread now but are any of the GBC boards still available?

Intending on starting a mod soon and would love to replace the board with one of these.