2026 KPMI Full Catalog V1 - Flipbook - Page 184
KAWASAKI KLX 450R 2008-2020
®
™
KAWASAKI
Valve Spring Kit • Lightweight Racing
KPMI P/N
Seat Pressure Open Pressure
Type
Max Valve Lift
Installed Height
@ Lift
Intake
.415"
1.325"
50#
155#
.415"
Exhaust
.415"
1.215"
50#
144#
.415"
40-40700
2
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
Kit Includes
Valves • Black Diamond™ • Black Nitroneg Stems
Stem Diameter
Tulip
O. L.
Remarks
1.378"
0.2158"
20º
3.280"
Standard
36.00mm
1.417"
0.2158"
20º
3.280"
Oversize
Exhaust
30.00mm
1.181"
0.2150"
20º
3.230"
Standard
Exhaust
31.00mm
1.221"
0.2150"
20º
3.230"
Oversize
KPMI P/N
Type
Head Diameter
40-40712
Intake
35.00mm
40-40713
Intake
40-40716
40-40717
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"
0.550”
0.895"
0.434"
0.2150'
0.4365" / Std.
40-40720
+0.001”
40-40721
+0.002”
40-40722
+0.010”
40-40729
Valve Guide Seals • Viton®
Stem Diameter
O.L
Seal O.D.
Seal Style
5.5mm
0.320"
0.440"
4
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%
Tappets • O.E.M. Replacement • H.T. Steel
KPMI P/N
Type
Coating
A
B
C
E
F
Quantity
0.763”
0.320”
0.098”
Pkg. of 4
Intake
40-40742
None
28.00mm 1.1017” 1.038”
Exhaust
166
Refer to KPMI® Tappet Section, in back of catalog, when selecting oversize tappets.
order 650-557-2046
