CP Pistons for Honda: CRF150R, CRF250R, CRF450R, XR400R, TRX300EX, TRX400EX, TRX450R

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CP Pistons for Honda Motorcycles, Dirt Bikes, Street Bikes, Quads, ATVs

CP Pistons manufactures some of the finest forged pistons available today. Several shelf part pistons are available for Honda. Shelf part pistons are capable of extreme horsepower with upgraded wrist pins. It does not matter if your application is CP pistons will maximize performance and strength of your engine. Depend on CP Pistons to take you to the checkered flag. If no shelf parts suit your application, please call us at (909) 390-7088 or email us at [email protected] and we will have some made to your exact specification and requirements.

CP Pistons Shelf Part Pistons available for Honda

2007-2008
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2043	CRF150R (149cc)	66.0mm	STD	43.7mm	13.0:1	Designed for stock concave valves; *Rings not included; Deglaze Cylinder(s)
Honda	M2044	CRF150R (149cc)	66.0mm	STD	43.7mm	13.0:1	Designed for flat valves; *Rings not included; Deglaze Cylinder(s)
Honda	M2056	CRF150R (158cc)	68.0mm	+2.0mm	43.7mm	13.0:1	Bore and Replate Cylinder(s)

1996-2008
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2003	XR400R/TRX400EX (397cc)	85.0mm	STD	70.0mm	11.1:1	Deglaze Cylinder(s)
Honda	M2004	XR400R/TRX400EX (397cc)	85.0mm	STD	70.0mm	12.5:1	Deglaze Cylinder(s)
Honda	M2005	XR400R/TRX400EX (407cc)	86.0mm	+1.0mm	70.0mm	11.1:1	Bore and Hone Cylinder(s)
Honda	M2006	XR400R/TRX400EX (407cc)	86.0mm	+1.0mm	70.0mm	12.5:1	Bore and Hone Cylinder(s)
Honda	M2007	XR400R/TRX400EX (416cc)	87.0mm	+2.0mm	70.0mm	11.1:1	Bore and Hone Cylinder(s)
Honda	M2008	XR400R/TRX400EX (416cc)	87.0mm	+2.0mm	70.0mm	12.5:1	Bore and Hone Cylinder(s)
Honda	M2033	XR400R/TRX400EX (435cc)	89.0mm	+4.0mm	70.0mm	11.5:1	Bore and Hone Cylinder(s)

2004-2008
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2042C	CRF250R (249cc)	78.0mm	STD	52.2mm	13.0:1	Deglaze Cylinder(s)
Honda	M2000C	CRF250R (256cc)	78.0mm	STD	52.2mm	13.5:1	Deglaze Cylinder(s)
Honda	M2050C	CRF250R (262cc)	80.0mm	+2.0mm	52.2mm	13.5:1	Requires Sleeve or Nikasil Cylinder
Honda	M2051C	CRF250R (268cc)	81.0mm	+3.0mm	52.2mm	13.5:1	Requires Sleeve or Nikasil Cylinder
Honda	M2100H	CRF250R (249cc)	78.0mm	STD	52.2mm	14.0:1	Full Race Trenched Pistons;*Rings not included; Deglaze Cylinder(s)
Honda	M2100C	CRF250R (249cc)	78.0mm	STD	52.2mm	14.5:1	Full Race Trenched Pistons; Deglaze Cylinder(s)
Honda	M2108H	CRF250R (249cc)	78.0mm	STD	52.2mm	14.5:1	Full Race Trenched Pistons with Bump Pockets (Setup for stock valves or stock type, concave valves);*Rings not included; Deglaze Cylinder(s)
Honda	M2108C	CRF250R (249cc)	78.0mm	STD	52.2mm	14.5:1	Full Race Trenched Pistons with Bump Pockets (Setup for stock valves or stock type, concave valves); Deglaze Cylinder(s)

2002-2008
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2009	CRF450R (449cc)	96.0mm	STD	62.0mm	12.5:1	Deglaze Cylinder(s)
Honda	M2029	CRF450R (449cc)	96.0mm	STD	62.0mm	13.0:1	Deglaze Cylinder(s)
Honda	M2010	CRF450R (449cc)	96.0mm	STD	62.0mm	13.5:1	Deglaze Cylinder(s)
Honda	M2011	CRF450R (458cc)	97.0mm	+1.0mm	62.0mm	12.5:1	Bore and Replate Cylinder(s)
Honda	M2012	CRF450R (458cc)	97.0mm	+1.0mm	62.0mm	13.5:1	Bore and Replate Cylinder(s)
Honda	M2013	CRF450R (468cc)	98.0mm	+2.0mm	62.0mm	12.5:1	Bore and Replate Cylinder(s)
Honda	M2031	CRF450R (468cc)	98.0mm	+2.0mm	62.0mm	13.0:1	Bore and Replate Cylinder(s)
Honda	M2014	CRF450R (468cc)	98.0mm	+2.0mm	62.0mm	13.5:1	Bore and Replate Cylinder(s)
Honda	M2015	CRF450R (477cc)	99.0mm	+3.0mm	62.0mm	12.5:1	Requires Sleeve or Nikasil Cylinder
Honda	M2016	CRF450R (477cc)	99.0mm	+3.0mm	62.0mm	13.5:1	Requires Sleeve or Nikasil Cylinder
Honda	M2032	CRF450R (486cc)	100.0mm	+4.0mm	62.0mm	12.5:1	Requires Sleeve or Nikasil Cylinder
Honda	M2052	CRF450R (486cc)	100.0mm	+4.0mm	62.0mm	13.5:1	Requires Sleeve or Nikasil Cylinder
Honda	M2045	CRF450R (449cc)	96.0mm	STD	62.0mm	14.0:1	Deglaze Cylinder(s)

1992-2008
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2039	TRX300EX (282cc)	74.0mm	STD	65.5mm	11.5:1	Deglaze Cylinder(s)
Honda	M2040	TRX300EX (289cc)	75.0mm	+1.0mm	65.5mm	11.5:1	Bore and Hone Cylinder(s)
Honda	M2041	TRX300EX (297cc)	76.0mm	+2.0mm	65.5mm	11.5:1	Bore and Hone Cylinder(s)

2004-2005
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2021	TRX450R (450cc)	94.0mm	STD	64.8mm	11.0:1	Deglaze Cylinder(s)
Honda	M2035	TRX450R (450cc)	94.0mm	STD	64.8mm	12.0:1	Deglaze Cylinder(s)
Honda	M2017	TRX450R (450cc)	94.0mm	STD	64.8mm	13.0:1	Deglaze Cylinder(s)
Honda	M2022	TRX450R (459cc)	95.0mm	+1.0mm	64.8mm	11.0:1	Bore and Replate Cylinder(s)
Honda	M2018	TRX450R (459cc)	95.0mm	+1.0mm	64.8mm	13.0:1	Bore and Replate Cylinder(s)
Honda	M2023	TRX450R (459cc)	96.0mm	+2.0mm	64.8mm	11.0:1	Bore and Replate Cylinder(s)
Honda	M2019	TRX450R (459cc)	96.0mm	+2.0mm	64.8mm	13.0:1	Bore and Replate Cylinder(s)
Honda	M2055	TRX450R (459cc)	97.0mm	+3.0mm	64.8mm	13.0:1	Requires Sleeve or Nikasil Cylinder
Honda	M2024	TRX450R (489cc)	98.0mm	+4.0mm	64.8mm	11.0:1	Requires Sleeve or Nikasil Cylinder
Honda	M2020	TRX450R (489cc)	98.0mm	+4.0mm	64.8mm	13.0:1	Requires Sleeve or Nikasil Cylinder
Honda	M2025	TRX450R (450cc)	94.0mm	STD	64.8mm	13.5:1	Full Race Piston; Deglaze Cylinder(s)
2006-2008
Make	Part#	Engine (Displacement)	Bore	Size	Stroke	CR	Notes
Honda	M2036	TRX450R (449cc)	96.0mm	STD	62.0mm	12.5:1	Deglaze Cylinder(s)
Honda	M2037	TRX450R (449cc)	96.0mm	STD	62.0mm	13.0:1	Deglaze Cylinder(s)
Honda	M2053	TRX450R (449cc)	96.0mm	STD	62.0mm	13.5:1	Deglaze Cylinder(s)
Honda	M2038	TRX450R (468cc)	98.0mm	+2.0mm	62.0mm	12.5:1	Bore and Replate Cylinder(s)
Honda	M2054	TRX450R (486cc)	100.0mm	+4.0mm	62.0mm	13.0:1	Requires Sleeve or Nikasil Cylinder
Honda	M2045	TRX450R (449cc)	96.0mm	STD	62.0mm	14.0:1	Full Race Piston; Deglaze Cylinder(s)

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CP Pistons Forged Piston Kit for 2005-2007 Honda CR125 54.0mm Bore / 8.6:1 CR List Price: $205.15 Our Price: $186.50 You save $18.65!	CP Pistons Forged Piston Kit for 2005-2007 Honda CR250 66.4mm Bore / 8.5:1 CR List Price: $225.50 Our Price: $205.00 You save $20.50!	CP Pistons Forged Piston Kit for 2004-2008 Honda CRF250R 78.0mm Bore / 13.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!



CP Pistons Forged Piston Kit for 1996-2009 Honda XR400R 85.0mm Bore / 11.0:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!	CP Pistons Forged Piston Kit for 1996-2009 Honda XR400R 85.0mm Bore / 12.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!	CP Pistons Forged Piston Kit for 1996-2009 Honda XR400R 86.0mm Bore / 11.0:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!



CP Pistons Forged Piston Kit for 1996-2009 Honda XR400R 86.0mm Bore / 12.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!	CP Pistons Forged Piston Kit for 1996-2009 Honda XR400R 87.0mm Bore / 12.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!	CP Pistons Forged Piston Kit for 2002-2008 Honda CRF450R 96.0mm Bore / 12.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!



CP Pistons Forged Piston Kit for 2002-2008 Honda CRF450R 96.0mm Bore / 13.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!	CP Pistons Forged Piston Kit for 2002-2008 Honda CRF450R 97.0mm Bore / 12.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!	CP Pistons Forged Piston Kit for 2002-2008 Honda CRF450R 97.0mm Bore / 13.5:1 CR List Price: $269.50 Our Price: $239.75 You save $29.75!

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