2026 KPMI Full Catalog V1 - Flipbook - Page 46
HD PANHEAD 1948-1965
®
™
HARLEY-DAVIDSON
Engine Kit with O. E. M. Replacement Spring Kit
KPMI P/N
Max Valve Lift Installed Height Seat Pressure Open Pressure
Type
Intake
20-22150
.415”
Exhaust
Kit Includes
1.375"
129#
@ Lift
272#
.415”
4
In / Ex H. T. Steel Retainers
4
In / Ex H.T. Steel Keeprs Pr.
4
In / Ex CrSi Valve Springs
4
In / Ex H. T. Steel Basewashers
In/ Ex Red Viton® Seals
4
In Std. Black Diamond™ Valves
2
Ex Std. Black Diamond™ Valves
2
Components • Replacement • Engine Kit
KPMI P/N
Description
20-20430
71011-4
20-4257
20-4195
Spring Kit, OEM Replacement
Intake / Exhaust Seal
Speci昀椀cation
Includes: H. T. Steel Retainers, CrSi Valve Springs, H.T. Steel Basewashers, H.T. Steel Keeprs
Seal • Red Viton®
Intake, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
Exhaust, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
Valve Kit • Black Diamond™ • Black Nitroneg Stems
KPMI P/N
Type
Intake
20-22100
Exhaust
Kit Includes
1.750”
1.750”
Tulip
Stem
Diameter
Radius
Angle
44.45mm
0.3765"
R0.234
44.45mm
0.3760"
R0.234
Head Diameter
In Std. Black Diamond™ Valves
2
O. L.
Remarks
23°
3.790"
Standard
29°
3.820”
Standard
Ex Std. Black Diamond™ Valves
2
Valves • Black Diamond™ • Black Nitroneg Stems
Tulip
KPMI P/N
Type
Head Diameter
Stem
Diameter
Radius
Angle
20-4257
Intake
1.750” 44.45mm
0.3765"
R0.234
20-4195
Exhaust
1.750” 44.45mm
0.3760"
R0.234
O. L.
Remarks
23°
3.790"
OEM18071-48
29°
3.820”
OEM18082-57
Valve Guides • C630 Bronze • Cast Iron
A
B
C
D
E
F
0.450”
0.540”
0.810”
1.340”
0.745”
0.3760”
G
28
0.5650” / Std.
+0.001”
+0.002”
+0.003”
+0.004”
+0.006”
+0.008”
+0.010”
+0.025”
A
B
C
D
E
F
G
0.450” 0.540” 0.810” 1.340”
0.745” 0.3760” 0.5650” / Std.
+0.001”
+0.002”
+0.003”
+0.004”
+0.006”
+0.008”
+0.010”
+0.025”
For sizing KPMI® Cast Iron Valve Guides please use Reamers and Ball Hones listed in HD® Tool section (Pg.90-93).
order 650-557-2046
Intake
C630 Bronze
Cast Iron
20-2020
20-2021
20-2022
20-2023
20-2024
20-2026
20-2028
20-2029
20-20HS
20-2020C
20-2021C
20-2022C
20-2023C
20-2024C
20-2026C
20-2028C
20-2029C
20-20HSC
Exhaust
20-2030
20-2031
20-2032
20-2033
20-2034
20-2036
20-2038
20-2039
20-30HS
20-2030C
20-2031C
20-2032C
20-2033C
20-2034C
20-2036C
20-2038C
20-2039C
20-30HSC
