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TRX450R Piston Kits CP Pistons TRX 450R Standard Bore, TRX450R Big Bore and High
Compression Piston Kits
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 TRX450R four stroke ATV's. Standard
bore size and big bore TRX450R CP Pistons as well as high compression TRX450R Honda ATV piston kits are all available here. 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.
Standard Features included with each Honda
TRX 450 R 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, along with the individual piston kit info.
2004 - 2005 Honda TRX450R CP Piston Kit
Stock Bore size is 94mm (3.701") Stock Stroke is 64.8mm
(2.551") |
| Part # |
Bore Size |
Cubic
Centimeters |
Compression |
Top End Gasket Kit # |
Installation
Notes |
| cp m2021 |
94mm std. |
450 cc |
11.0-1 |
cp c7877est |
deglaze cylinder |
| cp m2035 |
94mm std. |
450 cc |
12.0-1 |
cp c7877est |
deglaze cylinder |
| cp m2017 |
94mm std. |
450cc |
13.0-1 |
cp c7877est |
deglaze cylinder |
| cp m2022 |
95mm +1mm |
459cc |
11.0-1 |
cp c7199 |
bore and replate cylinder |
| cp m2018 |
95mm +1mm |
459cc |
13.0-1 |
cp c7199 |
bore and replate cylinder |
| cp m2023 |
96mm +2mm |
469cc |
11.0-1 |
cp c7201est |
bore and replate cylinder |
| cp m2019 |
96mm +2mm |
469cc |
13.0-1 |
cp c7201est |
bore and replate cylinder |
| cp m2055 |
97mm +3mm |
479cc |
13.0-1 |
cp c7201est |
requires sleeve or cylinder |
| cp m2024 |
98mm +4mm |
489cc |
11.0-1 |
cp
c3044 |
requires sleeve or cylinder |
| cp m2020 |
98mm +4mm |
489cc |
13.0-1 |
cp
c3044 |
requires sleeve or cylinder |
2004-2005 TRX 450R PISTON FULL RACE PISTON
Stock Bore size is 94mm (3.701") Stock Stroke is 64.8mm (2.551")
Full
race model 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 gasports are added to maximize ring seal while a
skirt
coating is included to provide additional lubrication, minimizing friction in extreme
conditions. The full race
pistons come complete with high performance rings, lightweight pins and locks. |
| cp m2025 |
94mm std. |
450 cc |
13.5-1 |
cp c7877est |
deglaze cylinder |
2006 - 2009 Honda TRX450R CP Piston Kit
Stock Bore size is 96mm (3.780") Stock Stroke is 62mm (2.441") |
| cp m2036 |
96mm std. |
449cc |
12.5-1 |
cp
c3139est |
deglaze cylinder |
| cp m2037 |
96mm std. |
449cc |
13-1 |
cp
c3139est |
deglaze cylinder |
| cp m2053 |
96mm std. |
449cc |
13.5-1 |
cp
c3139est |
deglaze cylinder |
| cp m2038 |
98mm +2mm |
468cc |
12.5-1 |
cp
c3141est |
bore and replate cylinder |
| cp m2054 |
100mm +4mm |
486cc |
13-1 |
cp
c3156est |
requires sleeve or cylinder |
2006 - 2009 TRX 450 R PISTON FULL RACE PISTON
Stock Bore size is 96mm (3.780") Stock Stroke is 62mm (2.441")
Full
race model 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 gasports are added to maximize ring seal while a
skirt
coating is included to provide additional lubrication, minimizing friction in extreme
conditions. The full race
pistons come complete with high performance rings, lightweight pins and locks. |
| cp m2045 |
96mm std. |
450cc |
14-1 |
cp
c3139est |
deglaze cylinder |
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The pistons and gaskets listed on this page fit the following model
year TRX450R ATV engines:
2004 2005 2006 2007 2008 2009 Honda TRX 450 R Piston Kit
Last Updated 8/28/09
© Motorsports Parts Corporation T/A Campbell Enterprises. All rights reserved
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