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CRF 450 Piston Honda CRF450R Piston Kits Standard Bore, Big Bore and High
Compression CRF450 R Dirt Bike Racing Pistons
CP Pistons, CRF 450 Pistons for those that demand the
ultimate in engine performance!
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.
The following sizes of CP Pistons Honda CRF450R big bore kits are available, 458cc, 468cc, 477cc and 486cc.
CP Pistons CRF 450R dirt bike racing pistons are
used by top professional riders and teams.
Standard Features included with each Honda CRF450R
CP Piston Kit:
Standard series pistons have a "M" in the part number |
| 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 |
Additional Features for "Project X" Series CRF 450R Pistons
Project X Series pistons are the result of the latest in ultra high performance technology improvements from CP. Pistons listed below with "MX" preceding the part number are part of the new "Project X" piston line up. Piston and gasket kits with a "CPKX" preceding the part number include a Project X series piston in the kit.
Project X series pistons and top end kits all have a "X" in the part number |
| Leading edge racing piston technology |
Fully boxed style forging for ultimate strength, durability and power |
| Coated Piston Skirts |
Internal windows allow additional oil to flow to pin |
| New piston skirt designs maximize power and reduce piston rocking |
Wrist pins treated with proprietary coating to eliminate pin galling |
Get HOLESHOT WINNING POWER with CP Pistons!
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
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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
$292.63 $278
 |
|
M2009
$241.05 $229
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C3047est
$81.75 $77.66
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|
CPN2-2-3780 |
| 96mm standard bore (449cc) 12.5-1 comp |
deglaze cylinder |
CPKX2009
$335.79 $319
|
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MX2009
$278 $264.1
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C3047est
$81.75 $77.66
|
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPK2029
$292.63 $278
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M2029
$241.05 $229
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C3047est
$81.75 $77.66
|
|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPKX2029
$335.79 $319
|
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MX2029
$292.63 $278
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C3047est
$81.75 $77.66
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|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPK2010
$292.63 $278
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M2010
$241.05 $229
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C3047est
$81.75 $77.66
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|
CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPKX2010
$335.79 $319
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MX2010
$292.63 $278
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C3047est
$81.75 $77.66
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CPN2-2-3780 |
| 97mm +1mm oversize (458cc) 12.5-1 comp |
bore and replate cylinder |
CPK2011
$292.63 $278
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M2011
$241.05 $229
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C3049
$59.95 $56.95
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CPN2-2-3819 |
| 97mm +1mm oversize (458cc) 13.5-1 comp |
bore and replate cylinder |
CPK2012
$292.63 $278
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M2012
$241.05 $229
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C3049
$59.95 $56.95
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CPN2-2-3819 |
| 98mm +2mm oversize (468cc) 12.5-1 comp |
bore and replate cylinder |
CPK2013
$292.63 $278
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M2013
$241.05 $229
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C3049
$59.95 $56.95
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CPNZ - 3858 |
| 98mm +2mm oversize (468cc) 13.0-1 comp |
bore and replate cylinder |
CPK2031
$292.63 $278
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M2031
$241.05 $229
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C3049
$59.95 $56.95
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CPN2-2-3858 |
| 98mm +2mm oversize (468cc) 13.5-1 comp |
bore and replate cylinder |
CPK2014
$292.63 $278
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M2014
$241.05 $229
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C3049
$59.95 $56.95
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CPNZ - 3858 |
| 99mm +3mm oversize (477cc) 12.5-1 comp |
requires sleeve or cylinder |
CPK2015
$292.63 $278
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M2015
$241.05 $229
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C3049
$59.95 $56.95
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CPN2-2-3897 |
| 99mm +3mm oversize (477cc) 13.5-1 comp |
requires sleeve or cylinder |
CPK2016
$292.63 $278
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M2016
$241.05 $229
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C3049
$59.95 $56.95
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CPNZ -3897 |
| 100mm +4mm oversize (486cc) 12.0-1 comp |
requires sleeve or cylinder |
CPK2032
$292.63 $278
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M2032
$241.05 $229
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C3077
$45.35 $43.08
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CPN2-2-3937 |
| 100mm +4mm oversize (486cc) 13.5-1 comp |
requires sleeve or cylinder |
CPK2052
$292.63 $278
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M2052
$241.05 $229
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C3077
$45.35 $43.08
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CPN2-2-3937 |
2009 - 2010 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
$292.63 $278
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M2057
$241.05 $229
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C3270
$69.95 $66.45
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CPN2-2-3780 |
| 96mm standard bore (449cc) 12.5-1 comp |
deglaze cylinder |
CPKX2057
$335.79 $319
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MX2057
$292.63 $278
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C3270
$69.95 $66.45
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CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPK2058
$292.63 $278
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M2058
$241.05 $229
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C3270
$69.95 $66.45
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CPN2-2-3780 |
| 96mm standard bore (449cc) 13.0-1 comp |
deglaze cylinder |
CPKX2058
$335.79 $319
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MX2058
$292.63 $278
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C3270
$69.95 $66.45
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CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPK2059
$292.63 $278
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M2059
$241.05 $229
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C3270
$69.95 $66.45
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CPN2-2-3780 |
| 96mm standard bore (449cc) 13.5-1 comp |
deglaze cylinder |
CPKX2059
$335.79 $319
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MX2059
$292.63 $278
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C3270
$69.95 $66.45
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CPN2-2-3780 |
| 98mm +2mm oversize (468cc) 13.0-1 comp |
bore and replate cylinder |
CPK2069
$292.63 $278
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M2069
$241.05 $229
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C3275
$59.95 $56.95
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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
$335.79 $319
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MX2045
$292.63 $278
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C3047est
$81.75 $77.66
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CPN2-2-3780 |
2009 - 2010 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
$335.79 $319
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MX2063
$292.63 $278
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C3270
$69.95 $66.45
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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
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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
$630.53 $599
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cp mx2p10
$342.1 $325
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C3047est $81.75 $77.66
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2009 - 2010 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
$630.53 $599
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cp mx2p63
$342.1 $325
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C3270est $69.95 $66.45
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Carrillo Honda CRF 450 Connecting Rod CRF450R Rod |
Premium Carrillo CRF 450R connecting rod provides superior strength for extreme high performance and racing CRF450 engines. Designed with legendary Carrillo quality to give you an extremely strong and dependable replacement connecting rod at a reasonable price. Can be used as a stock replacement connecting rod as well as for high performance and racing engines, including big bore engines. |
2002 - 2008 CRF 450R Connecting Rod
HO-45CA-2<-04156N
$276.32 $262.5
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2009 - 2010 CRF450R Connecting Rod
HO-4509CA-2<-04016N
$276.32 $262.5
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Replacement Special Carrillo CRF450R Connecting Rod for CP Pistons Platinum Kit |
| The CRF 450 connecting rods listed in this row are for use ONLY with the CP Platinum series pistons. |
2002 - 2008 CRF450 CP Platinum Kit Rod
HO-4518CA<-04274N
$276.32 $262.5
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2009 - 2010 CRF 450 CP Platinum Kit Rod
HO-450918CA<-04036N $276.32 $262.5
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Cylinder Works NEW CRF450R Standard Bore and CRF 450 Big Bore Cylinders
Cylinder Works convenient drop in four stroke CRF 450 cylinders take the hassle and the time out of sending in your worn or damaged cylinders for honing and re-plating.
All Cylinder Works cylinders are brand new and both standard bore and big bore sizes look virtually identical to stock OEM cylinders. They are nickel silicon carbide plated for long life and they are precision honed to exact size for easy piston installation. When you purchase a Cylinder Works cylinder there is no core charge or exchange. You receive a brand new, ready to install cylinder.
This big bore cylinder is designed as a true "drop in" with no extra machine work required to your engine or cases. |
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Bore Size
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Disp.
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Model Years
|
Cylinder Part # and Price
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| 95mm standard |
450cc |
2004 - 2009 |
cw 20001 |
| 98mm +3mm oversize big bore |
478cc |
2004 - 2009 |
cw 21001 |
Cylinder Works CRF 450 Big Bore Kits
Cylinder Works CRF450 Big Bore Kit features and included parts:
- New cylinder, honed to size for easy piston installation
- Piston kit
- Gasket kit
- Virtually Identical in appearance to stock
- Just purchase and install no additional machine work required
- Fits 2004 - 2009 models
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Bore Size
|
Disp.
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Model
Years |
Complete CRF 450 Big Bore Kit |
Replacement CRF450 Big Bore Piston |
CRF450 Big Bore Top End Gasket Kit |
Big Bore CRF450 Piston Ring Set |
| 98mm +3mm big bore |
478cc |
2004-09 |
cw 21001-k01 |
cw 21001-p01 |
cw 21001-g01 |
cw 21001-r01 |
The pistons and gaskets listed on this page fit the following model
year CRF450 R Dirt bike engines:
2004 2005 2006 2007 2008 2009 2010 Honda CRF450R Piston Kit
Return to top of CRF450 Piston page
© Motorsports Parts Corporation T/A Campbell Enterprises. All rights reserved
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