2026 KPMI Full Catalog V1 - Flipbook - Page 136
HONDA TRX 400X/ 400EX 1999-'14
®
™
HONDA
Valve Spring Kit • Lightweight Racing
KPMI P/N
Type
Max Valve Lift
Installed Height
.465"
1.375"
Seat Pressure Open Pressure
@ Lift
Intake
30-3111
70#
157#
.300"
Exhaust
Kit Includes
4
CrSi Valve Springs
4
Titanium Retainers
Running cams with over .350” lift requires the use of shortened KPMI® guide, PN 30-3120
Cylinder Head Service Kit
KPMI P/N
Type
Max Valve Lift Installed Height Seat Pressure
Intake
30-33460
.465"
Exhaust
4
2
4
Kit Includes
1.375"
Open Pressure
@ Lift
157#
.300"
70#
In / Ex Titanium Retainers
In Std. Black Diamond™ Valves
In/ Ex Std. C630 Valve Guides
4
2
1
In / Ex CrSi Valve Springs
Ex Std. Black Diamond™ Valves
Top End Gasket Kit
Components • Replacement • Cylinder Head Service Kit
KPMI P/N
Description
30-3111
30-3115
30-3117
30-3120
Spring Kit
Speci昀椀cation
Includes: Ti Retainers, CrSi Valve Springs
Intake, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
Exhaust, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
Intake / Exhaus, Standard Valve Guide Valve Guide • C630 Bronze
30-33461
Gasket Kit
Includes: Head Gasket 86mm Bore (1), Base Gasket (1), Cylinder Base O-ring (1), Exhaust Gasket (2), Cam
Chain Tensioner Gasket (1), Valve Guide O-Ring (1), Valve Seals (4), Cam Chain Tensioner O-ring (1), Valve
Adj. Cap O-rings (4), Intake Manifold O-ring (1), Exhaust O-ring (1), Intake O-ring (1)
Valves • Black Diamond™ • Black Nitroneg Stems
KPMI P/N
Type
Intake
Intake
Exhaust
Exhaust
30-3115
30-3116
30-3117
30-3118
Head Diameter
33.00mm
1.300"
34.00mm
1.340"
29.00mm
1.142"
30.00mm
1.181"
Stem Diameter
0.2156”
0.2156”
0.2150"
0.2150"
F
O. L.
4.040”
4.020”
3.980”
3.960”
Tulip
20º
20º
29º
29º
Remarks
Standard
Oversize
Standard
Oversize
Valve Guides • C630 Bronze
A
B
C
D
E
0.550"
0.645"
1.020"
1.300"
0.715"
G
Intake
0.2150" 0.4355" / Std.
Exhaust
30-3120
+0.001”
30-3121
+0.002”
30-3122
+0.010”
30-3130
Valve Guide Seals • Viton®
Stem Diameter
5.5mm
O.L
0.320"
Seal O.D.
0.440"
Seal Style
4
A
0.358”±0.005”
Part Number
118
71016-4
71016-8
71016-16
71016-50
71016-100
order 650-557-2046
Designed for these guide specs
B
C
D
0.320”
0.115”
0.225”
Quantity
Pkg. of 4
Pkg. of 8
Pkg. of 16
Pkg. of 50
Pkg. of 100
Type
Intake
Exhaust
Quantity Discount
0%
0%
Less- 10%
Less- 15%
Less- 20%
