thumper left logo thumper right logo four stroke performance ktm and quad
thumper lower mid logo thumper mid mid logo
vert line vert line vert line vert line
right navbar
lower left logo my parts
MAKE
MODEL
navbar right
body protection
DVD
gallery
tech articles
specials
thumper news
about thumper racing
contact thumper racing
XR400RHonda
Honda XR400R
A lighter version of the XR650R, still very powerful offroad. We can help you make yours scream, yet maintain reliability.
cylinders
BIG BORE SLEEVE
BIG BORE SLEEVE
$89
more info
Cylinder Head Porting
Cylinder Head Porting
$350
more info
Thumper 426 Kit With Cylinder Bored
Thumper 426 Kit With Cylinder Bored
$321
more info
  -  
ktm 250 to 320 big bore kit
Call: 661.424.1800
top left corner top left corner
| | | | | |
Copyright 2008 - Thumper Racing - site design : logicalwebhost.com
lower left corner lower right corner