2026 KPMI Full Catalog V1 - Flipbook - Page 188
KAWASAKI KFX 450R 2008-2014
®
™
KAWASAKI
Valve Spring Kit • Lightweight High-Lift Racing
KPMI P/N
Seat Pressure Open Pressure
Type
Max Valve Lift
Installed Height
@ Lift
Intake
.415"
1.325"
51#
155#
.415"
Exhaust
.415"
1.215"
52#
146#
.415"
40-40550
2
Kit Includes
In, CrSi Valve Springs
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
Intake Only • Steel Valve Conversion Kit
KPMI P/N
Type
Max Valve Lift
Installed Height
40-40950
Intake
.415"
1.325"
Seat Pressure Open Pressure
51#
@ Lift
155#
.415"
2
CrSi Valve Springs
2
Titanium Retainers
2
Black Diamond™ Valves
2
H. T. Steel Basewashers
Kit Includes
Valves • Black Diamond™ • Black Nitroneg Stems
Stem Diameter
Tulip
O. L.
Remarks
1.417"
0.2158"
20º
3.280"
Standard
37.00mm
1.457"
0.2158"
20º
3.280"
Oversize
31.00mm
1.221"
0.2150"
20º
3.230"
Standard
KPMI P/N
Type
Head Diameter
40-40562
Intake
36.00mm
40-40563
Intake
40-40566
Exhaust
Must use Kibblewhite® Lightweight Valve Spring Kits when installing Black Diamond™ Valves.
Valve Guides • C630 Bronze
A
B
C
D
E
F
G
Intake
Exhaust
0.390"
0.390"
0.550”
0.895"
0.434"
0.2150'
0.4365" / Std.
40-40570
+0.001”
40-40571
+0.002”
40-40572
+0.010”
40-40579
Valve Guide Seals • Viton®
Stem Diameter
O.L
Seal O.D.
Seal Style
5.5mm
0.320"
0.440"
4
170
order 650-557-2046
Designed for these guide specs
Type
A
B
C
D
Intake
0.358”±0.005”
0.320”
0.110”
0.200”
Exhaust
Part Number
Quantity
Quantity Discount
71016-4
Pkg. of 4
0%
71016-8
Pkg. of 8
0%
71016-16
Pkg. of 16
Less- 10%
71016-50
Pkg. of 50
Less- 15%
71016-100
Pkg. of 100
Less- 20%
