2026 KPMI Full Catalog V1 - Flipbook - Page 133
HONDA CB 350F / 400F 1972-1977
®
™
KPMI P/N
Type
Max Valve Lift
Installed Height
.350"
1.180"
Seat Pressure Open Pressure
@ Lift
HONDA
Spring Only Kit • High Performance
Intake
30-1032
60#
140#
.350"
Exhaust
Kit Includes
8
CrSi Valve Springs
Valves • Black Diamond™ • Black Nitroneg Stems For CB 400F™ 1975-1977 ONLY
Stem Diameter
Tulip
O. L.
Remarks
1.043"
0.2160"
20º
3.055"
Standard
0.906"
0.2155"
23º
3.030"
Standard
KPMI P/N
Type
Head Diameter
30-33512
Intake
26.50mm
30-33516
Exhaust
23.00mm
Valve Guides • C630 Bronze
A
B
C
D
E
F
G
Intake
0.370"
0.485"
0.645”
0.915"
0.725"
0.2160'
0.4358" / Std.
30-33520
30-33521
30-33522
30-33529
+0.001”
+0.002”
+0.010”
0.370"
0.485"
0.810”
1.025"
0.725"
0.2155'
Exhaust
30-33530
30-33531
30-33532
30-33539
0.4358" / Std.
+0.001”
+0.002”
+0.010”
Valve Guide Seals • Viton®
O.L
Stem Diameter
5.5mm
Seal O.D.
0.330"
0.455"
Seal Style
2
Designed for these guide specs
Type
A
B
C
D
Intake
0.365”±0.002”
0.325”
0.120”
0.235”
Exhaust
Part Number
Quantity
Quantity Discount
71040-4
71040-8
71040-16
71040-50
71040-100
Pkg. of 4
0%
Pkg. of 8
0%
Pkg. of 16
Less- 10%
Pkg. of 50
Less- 15%
Pkg. of 100
Less- 20%
Keeper • H.T. Steel
Stem Diameter - A -
Keeper Angle -B-
Bead Height -C-
Overall Length -D-
Minor Diameter -E-
Rep. OEM P/N
0.215”
10.0°
0.076”
0.210”
0.285”
14781-107-003
“D”
“C”
“A”
“E”
Part Number
Quantity
51002-4
51002-8
51002-16
51002-50
51002-100
4 Pairs
8 Pairs
16 Pairs
50 Pairs
100 Pairs
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“B”
