Honda CRF450R piston kits, high compression, big bore and stock standard
bore high performance and racing piston kits are available from CP Pistons for all model
years of the CRF450R four stroke dirt bikes. We offer the complete CP
Pistons Honda CRF450 R product line. These superior 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. Buy the Best CRF 450 pistons, buy CP.
Honda CRF 450 CP Piston Kit and
CRF450R Big Bore Piston Kits
- Piston/Gasket Kit Set includes: 1 Piston, 1 Piston Pin, Piston Rings, Pin Lock rings, 1 Top End Gasket Kit
- Piston Kit includes: 1 Piston, 1Piston Pin, 1 set Piston Rings, Pin Lock rings for 1 cylinder
- Gasket Kit Includes: Cometic high performance top end gaskets required to replace piston in 1 cylinder
|
2002 - 2008 Honda CRF450R CP Piston Kit and Big
Bore CRF 450 R Piston
High Compression CRF450R Piston
Stock Bore size is 96mm (3.780") Stock
Stroke is 62mm (2.441") |
| Description |
Installation Notes |
Piston/Gasket Kit
|
Piston Kit
|
Gasket Kit
|
Replacement
Piston Rings
|
| 96mm standard bore (449cc) 12.5-1 comp |
deglaze cylinder |
CPK2009
|
M2009
|
C3047est
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 12.5-1 comp |
deglaze cylinder |
CPKX2009
|
MX2009
|
C3047est
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPK2029
|
M2029
|
C3047est
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPKX2029
|
MX2029
|
C3047est
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPK2010
|
M2010
|
C3047est
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPKX2010
|
MX2010
|
C3047est
|
CPN2-2-3780 |
| 97mm +1mm oversize (458cc) 12.5-1 comp |
bore and replate cylinder |
CPK2011
|
M2011
|
C3049
|
CPN2-2-3819 |
| 97mm +1mm oversize (458cc) 13.5-1 comp |
bore and replate cylinder |
CPK2012
|
M2012
|
C3049
|
CPN2-2-3819 |
| 98mm +2mm oversize (468cc) 13.0-1 comp |
bore and replate cylinder |
CPK2031
|
M2031
|
C3049
|
CPN2-2-3858 |
| 98mm +2mm oversize (468cc) 13.5-1 comp |
bore and replate cylinder |
CPK2014
|
M2014
|
C3049
|
CPNZ - 3858 |
| 99mm +3mm oversize (477cc) 12.5-1 comp |
requires sleeve or cylinder |
CPK2015
|
M2015
|
C3049
|
CPN2-2-3897 |
| 99mm +3mm oversize (477cc) 13.5-1 comp |
requires sleeve or cylinder |
CPK2016
|
M2016
|
C3049
|
CPNZ -3897 |
| 100mm +4mm oversize (486cc) 12.0-1 comp |
requires sleeve or cylinder |
CPK2032
|
M2032
|
C3077
|
CPN2-2-3937 |
| 100mm +4mm oversize (486cc) 13.5-1 comp |
requires sleeve or cylinder |
CPK2052
|
M2052
|
C3077
|
CPN2-2-3937 |
2009 - 2012 Honda CRF 450R CP Piston Kits and
CRF450R Big Bore Kits
Stock Bore size is 96mm (3.780") Stock
Stroke is 62mm (2.441") |
| 96mm standard bore (449cc) 12.5-1 comp |
deglaze cylinder |
CPK2057
|
M2057
|
C3270
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 12.5-1 comp |
deglaze cylinder |
CPKX2057
|
MX2057
|
C3270
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPK2058
|
M2058
|
C3270
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPKX2058
|
MX2058
|
C3270
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPK2059
|
M2059
|
C3270
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPKX2059
|
MX2059
|
C3270
|
CPN2-2-3780 |
| 98mm +2mm oversize (468cc) 13.0-1 comp |
bore and replate cylinder |
CPK2069
|
M2069
|
C3275
|
CPN2-2- 3858 |
Full Race Series CRF 450 R RACING Pistons
Full race series pistons are custom forged
pistons but available off the shelf. These are single ring, high
compression, lightweight pistons which feature a highly efficient dome design that
maximizes squish
without compromising performance. Lateral gas ports are added to maximize ring seal while a skirt
coating is included to improve power and provide additional lubrication, minimizing friction in extreme
competition conditions.
These kits are the preferred choice of many top professionals. Utilizing CP's Project X championship technology, each kit has been developed to ensure maximum power and durability. Engineered for the serious racer and proven to deliver - Many of the top racers and engine builders in motorsports ask for these kits by name.
The full race
pistons come complete with high performance rings, lightweight pins and locks. |
2002 - 2008 Honda CRF450R FULL RACE Piston Kit
Stock Bore size is 96mm (3.780") Stock
Stroke is 62mm (2.441") |
| 96mm standard bore (449cc) 14-1 comp |
deglaze cylinder |
CPKX2045
|
MX2045
|
C3047est
|
CPN2-2-3780 |
2009 - 2012 Honda CRF450R FULL RACE Piston Kit
Stock Bore size is 96mm (3.780") Stock
Stroke is 62mm (2.441") |
| 96mm standard bore (449cc) 14-1 comp |
deglaze cylinder |
CPKX2063
|
MX2063
|
C3270
|
CPN2-2-3780 |
Honda CRF 450R Project X Platinum Racing Piston, Carrillo Connecting Rod and Cometic Gasket Kits
Developed and proven in the 2009 AMA outdoor motocross season, these championship winning kits have once again changed the game. New for 2010, Project X Platinum Kits feature the same top of the line products that top professionals rely on. The redesigned piston and rod combo gives your engine a lightweight assembly
that is engineered to give you more power and durability. Revolutionary to the industry, these types of assemblies were once only available as custom pieces at custom
prices. Now, off the shelf and available, these kits are just the thing you need to transform your bike into a racing machine without breaking the bank.
- Platinum Kit includes: Full Race Piston, Piston Pin, Piston Rings, Pin locks, Carrillo Rod and Gasket Kit
- Piston Kit includes: Full Race Piston, Piston Pin, Piston Rings, Pin Lock rings for 1 cylinder
- Gasket Kit Includes: Cometic high performance top end gaskets required to replace piston and rod in 1 cylinder
|
2002 - 2008 Honda CRF450R Project X Platinum Kit
Stock Bore size is 96mm (3.780") Stock
Stroke is 62mm (2.441") |
| Bore Size |
Disp. |
Comp |
Installation
Notes |
Platinum Kit
|
Piston Kit
|
Gasket Kit
|
| 96mm std. |
449 cc |
13.5-1 |
deglaze cylinder, 1mm Smaller Pin/ 3mm Longer Rod Lightweight |
cp kx2p10
|
cp mx2p10
|
C3047est |
2009 - 2012 Honda CRF 450R Project X Platinum Kit
Stock Bore size is 96mm (3.780") Stock
Stroke is 62mm (2.441") |
| 96mm std. |
449 cc |
14.0-1 |
deglaze cylinder, 1mm Smaller Pin/ .5mm Longer Rod Lightweight |
cp kx2p63
|
cp mx2p63
|
C3270est |
The CP pistons and gaskets listed on this page fit the following model
year CRF450 R Dirt bike engines:
