CP Pistons Honda XR400R Dirt bike Piston Kits Standard Bore, Big Bore
and High Compression

CP Pistons, for those that demand the
ultimate in engine performance!
High performance and racing Honda piston kits are available from CP
Pistons for all model years of the XR400R four stroke dirt bikes. Standard bore
size and big bore XR400 CP Pistons Honda dirtbike kits are all available here as well as
high compression pistons.. These forged pistons will work with oversize valves as well as
high lift camshafts as they include oversize valve reliefs. They incorporate a
"X" style forging for greater strength, durability and reduced weight. Along
with the full radius dome designs, high performance piston rings and lightweight piston
pins, these pistons offer the highest quality and are engineered for maximum power output.
CP Pistons racing pistons are used by top
professional riders and teams including:
| Team Suzuki |
Ricky Carmichael |
Ivan Tedesco |
Ryan Dungey |
| MDK Speed |
David Vuillemin |
Nick Wey |
|
| MDK/Lucas Oil/Yamaha |
White Bros. Yamaha |
Rick Ware Racing |
Team Solitaire |

| Standard Features included with each Honda
XR 400R CP Piston Kit: |
| Double forced pin oilers |
Fully CNC Machined |
| Accumulator groove |
Pick lock removal grooves |
| Anti detonation grooves |
X-style forging |
| Light weight pins |
Balanced to + or - 1 gram |
Each of the below kits
include:
Piston
Piston Pin
Piston Rings
Pin Locks
Cometic top end gasket sets are available separately, but
are not included with the piston kit. The matching top end gasket kit for each application
is listed in the table below, when available, along with the individual piston kit info.
Click on the part number
in the table below for pricing or to order the piston and, or head gasket of your choice.
The piston and gaskets listed on this page fit the
following model year XR400 Dirt Bikes:
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Honda
XR400 Piston Kit
|