2026 KPMI Full Catalog V1 - Flipbook - Page 139
HONDA CRF 450R 2002-2008
®
™
KPMI P/N
30-30640
Seat Pressure Open Pressure
Type
Max Valve Lift
Installed Height
Intake
.440"
1.215"
40#
147#
.440"
Exhaust
.440"
1.365"
70#
203#
.440"
2
In CrSi Valve Springs
2
2
*Ex CrSi Valve Springs 2
In Titanium Retainers
@ Lift
HONDA
Valve Spring Kit • Lightweight Racing
2 In H.T. Steel Basewashers
Kit Includes
Ex Titanium Retainers 2 Ex H.T. Steel Basewashers
Intake Only • Steel Valve Conversion Kit
KPMI P/N
Type
Max Valve Lift
Installed Height
30-31210
Intake
.440"
1.215"
Seat Pressure Open Pressure
40#
147#
@ Lift
.440"
2
CrSi Valve Springs
2
Titanium Retainers
2
Black Diamond™ Valves
2
H. T. Steel Basewashers
Kit Includes
Top End Service Kit for CRF 450R 2002-2006
KPMI P/N
Piston
Bore Size
30-32700
96.00mm
Kit Includes
Type
Max
Valve Lift
Installed
Height
Seat
Pressure
Open
Pressure
@ Lift
Intake
.440”
1.215"
40#
147#
.440”
Exhaust
.440”
1.365"
203#
.440”
70#
2
In Titanium Retainers 2
2
Ex Titanium Retainers 2 *Ex CrSi Valve Springs 2 Ex H. T. Steel Basewashers
In Black Diamond™ Valves
2
Ex Black Diamond™ Valves
2
1
In CrSi Valve Springs
High Performance Piston Kit
1
2
In H. T. Steel Basewashers
Top End Gasket Kit
IMPORTANT NOTE: The piston assembly (piston, rings, pin and pin clips) in this kit are designed to work together as a system. When used complete, the piston
assembly can be used as an OEM replacement. The individual components are NOT INTERCHANGEABLE with O.E.M. piston assembly components.
Components • Replacement • Top End Service Kit for CRF 450R 2002-2006
Speci昀椀cation
KPMI P/N
Description
30-30640
Spring Kit
30-30220
Intake, Standard Valve
Valves • Black Diamond™ • Black Nitroneg Stems
30-30223
Exhaust, Standard Valve
Valves • Black Diamond™ • Black Nitroneg Stems
30-32701
Gasket Kit
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers
Includes: Head Gasket 96mm (1), Base Gasket (1), Exhaust Gasket (1), Cam Chain Tensioner Gasket (1),
Cam Chain Tensioner O-ring (1), Exhaust Valve Seals (2), Intake Valve Seals (2), Water Pipe O-ring (1), Cam
Chain Tensioner O-Ring (1)
Cylinder Head Service Kit for CRF™ 450R 2002-2006
30-33340
Type
Max Valve Lift Installed Height Seat Pressure
Intake
Exhaust
Kit Includes
.440”
1.215”
.440"
1.365”
@ Lift
147#
.440”
203#
.440”
70#
2
In Titanium Retainers
2
Ex Titanium Retainers 2 *Ex CrSi Valve Springs 2 Ex H. T. Steel Basewashers
In Std. Black Diamond™ Valves 2
Ex Std. Black Diamond™ Valves
2
2
1
2
Open Pressure
40#
In CrSi Valve Springs
In Std. C674 Valve Guides
2
2
In H. T. Steel Basewashers
Ex Std. C674 Valve Guides
Top End Gasket Kit
*The Exhaust springs for this kit include a progressively wound Inner Spring, which should be installed with the tightly wound end seated on the
H. T. Steel Basewashers.
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121
KPMI P/N
