2026 KPMI Full Catalog V1 - Flipbook - Page 152
HONDA TRX 450R 2004-2005
®
™
HONDA
Valve Spring Kit • Lightweight Racing
KPMI P/N
30-30720
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
@ Lift
2
In, Titanium Retainers
2 In, H. T. Steel Basewashers
2 *Ex, CrSi Valve Springs 2
Ex, Titanium Retainers
2 Ex, H. T. Steel Basewashers
Max
Valve Lift
Seat
Pressure
Kit Includes
Top End Service Kit
KPMI P/N
Piston
Bore Size
30-32500 94.00mm
Type
Installed
Height
Open
Pressure
@ Lift
Intake
.440”
1.215"
40#
147#
.440”
Exhaust
.440”
1.365"
70#
203#
.440”
Kit Includes
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
KPMI P/N
Speci昀椀cation
Description
30-30720
Spring Kit
30-30750
Intake, Standard Valve
Valves • Black Diamond™ • Black Nitroneg Stems
30-30753
Exhaust, Standard Valve
Valves • Black Diamond™ • Black Nitroneg Stems
30-32501
Gasket Kit
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers
Includes: Base gasket, Engine case gasket, Exhaust gasket, Head gasket, Washers, Valve stem seals
Cylinder Head Service Kit
KPMI P/N
30-33480
Type
Max Valve Lift Installed Height Seat Pressure
Open Pressure
@ Lift
Intake
.440”
1.215”
40#
147#
.440”
Exhaust
.440"
1.365”
70#
203#
.440”
Kit Includes
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
2
In CrSi Valve Springs
In Std. C674 Valve Guides
1
2
2 In H. T. Steel Basewashers
Ex Std. C674 Valve Guides
Top End Gasket Kit
Components • Replacement • Cylinder Head Service Kit
KPMI P/N
Description
30-30720
Spring Kit
Speci昀椀cation
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers
30-30750
Intake, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
30-30753
Exhaust, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
30-30730
Intake, Standard Valve Guide
Valve Guide • C674 Bronze
30-30740
Exhaust, Standard Valve Guide
Valve Guide • C674 Bronze
30-33481
Gasket Kit
Includes: Head Gasket 94mm Bore (1), Base Gasket (1), Exhaust Gasket (1), Cam Chain Tensioner Gasket
(1), Tensioner Bolt Washer (1), Valve Stem Seals (4), Thermostat Cover O-ring (1)
134
*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.
order 650-557-2046
