Get one of thees with a shifter rod and mod the splined end to work with it............
http://www.ebay.com/itm/New-GEAR-SH...s=63&clkid=1066189416439081508&_qi=RTM1084481
http://www.ebay.com/itm/New-GEAR-SH...s=63&clkid=1066189416439081508&_qi=RTM1084481