Z-400 whats good BIG BORE KIT
 

[img]i/expressions/face-icon-small-confused.gif[/img] I HAVE a new z-400 and looking for more power which company makes the best kit !! mostly ride the dunes !!
any body have the trinity 440 kit or
thumper 440 < 470 kits. info on them which is best and why


PLease help

Z-400 whats good BIG BORE KIT
 

I JUST TORE DOWN MY MOTOR TO SEND TO THUMPER 4 THE 470 KIT I LIKE THERE CUSTOMER SERVICE SO FAR THEY TOOK THE TIME TO TALK WITH ME ABOUT WHAT THEY WERE GOING TO DO AND WHAT I WANTED IM DOING THE 470 KIT AND SOME HEAD PORTING HOT CAMS AND I WILL POST THE FINISHED PRODUCT AND SOON SOME DYNO NUMBERS

Z-400 whats good BIG BORE KIT
 

thanks for the replay!!
i have heard from other people that thumper was good company
do you know how long takes them to get the job done??
and what the price differnce between the 440 and 470 kit
$$$$$ ?????????????

Z-400 whats good BIG BORE KIT
 

they told me a week and i think its the same price dont cost them anymore to do the 470 check out there web site for the they dont show a ltz but the drz kit is the same

Z-400 whats good BIG BORE KIT
 

how much for the kits being talked about?

Z-400 whats good BIG BORE KIT
 

Ive heard good about the Yoshimura Big Bore kit. late,zubbeyboy

Z-400 whats good BIG BORE KIT
 

im doing the 470 i m sending just the cylender and head they install the sleeve and port the head and send them back with piston gaskets a heavy cluch out of a kx500 a jet kit a new plug and oil filter and its 850 check out there web sit it has all the prices thumper-racing.com

Z-400 whats good BIG BORE KIT
 

micke dunlaps four stroke tech has a 500 kit and irace gncc and all the guys who race pro production has that kit and that flat out hall ass