Here is the link picture...
http://i1014.photobucket.com/albums/af266/e-tech171/etechrpmswitch_zth.jpg
http://i1014.photobucket.com/albums/af266/e-tech171/etechrpmswitch_zth.jpg
:dong: So friend, it is worth buying the properly designed launch control unit for your specific engine. If u are serious in tis, pl try to get d suitable products with much appreciation of their lot of R & D time spent by the power builder experts!