The power kit is available from Highlifter. Check it out at highlifter.com. it claims 20% more horsepower than stock. i think im gettin it.

 

I haven't gotten my RANCHER 4x4ES over 49mph yet but it seems fast enough for most purposes.
I ride with a '99 PRAIRIE 400 4x4 and his odometer is within .2 miles after 20 miles of riding.......I'd says it's pretty close.

 

Im 5'8 and weigh 112 (im only 15) and I had mine up to 53 easily on a field, I BURNT my friends 2x4 300trx (1998 stock) and allmost beat a 300ex in the long run on railroad tracks... Im pretty happy with this quad, NO PROBLEMS! Just the whistling in 5th at high speeds.. Gets to 50 REALLY EASY 53 1 min after i hit 50 usually..

 

Just to let you know, the rider on the 300ex sucked
Im not bashing the 300ex, i love all hondas.. Just saying!

300ex beat me anyday, unless the rider is totally braindead.