2026 KPMI Full Catalog V1 - Flipbook - Page 106
HD M8 (& CVO’s) 2017-2025
®
™
Harley-DaviDson
Valve • White Diamond® • EV8 or Inconel®
Tulip
Head Diameter
stem
Diameter
radius
angle
20-21012H Intake
1.571"
39.90mm
0.2347”
R0.235
10º
4.015”
20-21009H Intake
1.630"
41.40mm
0.2347”
R0.235
10°
4.055” 1.50mm O/S Ev8
20-21060H Intake
1.614”
41.00mm
0.2347”
R0.235
15°
4.035” 1.00mm O/S Ev8
20-21061H Intake
1.654”
42.00mm
0.2347”
R0.235
15°
4.035” 2.00mm O/S Ev8
20-21063H Intake
1.732”
44.00mm
0.2347”
R0.235
15°
4.035” 4.00mm O/S Ev8
20-21016H Exhaust 1.264"
32.11mm
0.2342”
R0.460
24°
4.050”
20-21017H Exhaust 1.284"
32.61mm
0.2342”
R0.460
24°
4.050” 0.50mm O/S Ev16
20-21018K Exhaust 1.284"
32.61mm
0.2342”
R0.460
24º
4.050” 0.50mm O/S Inconel
20-21062K Exhaust 1.299”
33.00mm
0.2342”
R0.395
20°
4.055” 1.00mm O/S Inconel
20-21063K Exhaust 1.339
34.00mm
0.2342”
R0.395
20°
4.055” 2.00mm O/S Inconel
20-21065K Exhaust 1.417
36.00mm
0.2342”
R0.395
20°
4.055” 4.00mm O/S Inconel
KPMi P/n
Type
o. l.
remarks
OEM
Std. Ev8
OEM
Std Ev16
KPMI® Black Diamond™ Blank Valve PN 20-21019 is available for M8 Application and please see Blank Valve section in back of catalog.
Valve Guides • C630 Bronze • Manganese Bronze
a
B
C
D
e
0.425"
0.490"
0.540"
1.110"
0.600"
F
intake
G
C630 Bronze
Manganese
+0.010”
20-21020
20-21021
20-21022
20-21029
+0.021”
---
+0.022”
---
20-21020M
20-21021M
20-21022M
20-21029M
20-21071M
20-21072M
0.2347" 0.4750" / Std.
+0.001”
+0.002”
a
B
C
D
e
0.425"
0.490"
0.600"
1.110"
0.600"
F
exhaust
G
C630 Bronze
Manganese
+0.010”
20-21030
20-21031
20-21032
20-21039
+0.021”
---
+0.022”
---
20-21030M
20-21031M
20-21032M
20-21039M
20-21081M
20-21082M
0.2342" 0.4750" / Std.
+0.001”
+0.002”
For sizing KPMI® Cast Iron and Manganese Bronze Valve Guides please use Reamers and Ball Hones listed in HD® Tool section (Pg.90-93).
Valve Guide Seals • Tophat
stem Diameter
o.l
seal o.D.
seal style
6.0mm
0.712"
1.170"
3
88
order 650-557-2046
Designed for these guide specs
Type
a
B
C
spring shoulder Ø
Intake
0.475”±0.002”
---
0.545"
0.707
Exhaust
Part number
Quantity
Quantity Discount
71046-4
71046-8
71046-16
71046-50
71046-100
Pkg. of 4
0%
Pkg. of 8
0%
Pkg. of 16
Less- 10%
Pkg. of 50
Less- 15%
Pkg. of 100
Less- 20%
