2026 KPMI Full Catalog V1 - Flipbook - Page 146
HONDA CRF 450R/RX/WE 2017-2026
®
™
HONDA
Valve Spring Kit • Lightweight Racing
KPMI P/N
30-32800
Type
Max Valve Lift
Installed Height
Intake
.440"
1.340"
50#
162#
.440”
Exhaust
.405”
1.360"
90#
220#
.405”
2
Seat Pressure Open Pressure
@ Lift
In CrSi Valve Springs 2 In Titanium Retainers 2 In H. T. Steel Basewashers
Kit Includes
2 *Ex CrSi Valve Springs 2 Ex Titanium Retainers 2 Ex H. T. Steel Basewashers
*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.
Intake Only • Steel Valve Conversion Kit
KPMI P/N
Type
Max Valve Lift
Installed Height
30-32780
Intake
.440”
1.340”
50#
2
*CrSi Valve Springs
2
Titanium Retainers
2
H. T. Steel Basewashers
2
White Diamond® Valves
Kit Includes
Seat Pressure Open Pressure
162#
@ Lift
.440”
* The Intake springs in this kit include a progressively wound springs, which should be installed with the tightly wound end seated on the H.T. Steel Basewashers.
Top End Service Kit for CRF™ 450R/ RX/ WE 2017-2018
KPMI P/N
Piston
Bore Size
30-34100 96.00mm
Type
Max
Valve Lift
Installed
Height
Seat
Pressure
Open
Pressure
@ Lift
Intake
.440”
1.340"
50#
162#
.440”
Exhaust
.405”
1.360"
90#
220#
.405”
2 In Titanium Retainers 2 In CrSi Valve Springs 2 In H. T. Steel Basewashers
2 Ex Titanium Retainers 2 *Ex CrSi Valve Springs 2 Ex H. T. Steel Basewashers
Kit Includes
2
2
In White Diamond® Valves
Ex White Diamond® Valves
1
High Performance Piston Kit
1
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/ RX/ WE 2017-2018
Speci昀椀cation
KPMI P/N
Description
30-32800
30-32812H
30-32816K
Spring Kit
Intake, Standard Valve
Valve • White Diamond® • Stainless
Exhaust, Standard Valve
30-34101
Gasket Kit
Valve • White Diamond® • Inconel®
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)
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers
Top End Service Kit for CRF™ 450R/ RX/ WE 2019-2020
KPMI P/N
Piston
Bore Size
30-34150 96.00mm
Kit Includes
Max
Valve Lift
Type
Installed
Height
Seat
Pressure
Open
Pressure
@ Lift
Intake
.440”
1.340"
50#
162#
.440”
Exhaust
.405”
1.360"
90#
220#
.405”
2
In Titanium Retainers 2
In CrSi Valve Springs
2
In H. T. Steel Basewashers
2
Ex Titanium Retainers 2
*Ex CrSi Valve Springs
2
Ex H. T. Steel Basewashers
2
In White Diamond® Valves
2
Ex White Diamond® Valves
1
High Performance Piston Kit
1
Top End Gasket Kit
128
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.
ORDER 650-557-2046
