| stage unlimited h.p. rev head kits
available now, for pre order only, we now have the most powerfull and highest reving cag single piece cylinder/ barrell / engine combination in the world. this combination of knowlage has come from special persons involved with p.b.u. - psws,- ada racing all from u.s.a. plus the local aussie rd racing, the formula of results are excellent. there are a few specifications i must not mention as per promise rules. i can say that the cylinder has 5 ports plus a fantastic looking exhaust port, the compression is well over the normal 9 to 1 ratio, the piston looks abit like swiss cheese and of all things the rpms produce 13,000 plus. a friend from over there u.s.a. has mentioned his maximum rpms at 14,200 using a p.b.u. pipe, 4 pettel reeds and a stock carby jetted to size 72. i have 3 only of these cylinder kits available for pre order, please pm me with your engine specs such as current engine size eg; 40 or 49cc plus rod stroke eg; 33mm or 32mm. price is $100. yes $100. delieved. | 
