I had one of these with Tuff Wheels and Redline Flight Cranks with CW Big Bars and could ride a wheelie from Texas to San Francisco.
http://bmxmuseum.com/forums/viewtopic.php?id=3702
Only 300 or so ever made and mine was #251.
That was the serial # too.
I used to break FMF's and Race Inc's but this thing was bullet proof and quite a tank. Could Still Bunny Hop it up on to a park bench table though.