2026 KPMI Full Catalog V1 - Flipbook - Page 52
HD SPORTSTER 1970-1983
®
™
HARLEY-DAVIDSON
Valves • Black Diamond™ • Black Nitroneg Stems
KPMI P/N
Type
Head Diameter
Intake 1.935” 49.15mm
20-4196
Intake 1.950" 49.53mm
20-4167
20-4196-1 Intake 2.000" 50.80mm
20-4197 Exhaust 1.570” 39.88mm
20-4197-1 Exhaust 1.630" 41.40mm
20-4168 Exhaust 1.750" 44.45mm
Stem
Diameter
0.3090”
0.3090”
0.3090”
0.3384"
0.3384"
0.3384"
Tulip
Radius Angle
R0.256
23°
R0.256
23°
R0.256
23°
R0.236
29°
R0.236
29°
R0.236
29°
O. L.
Remarks
3.620”
3.690”
3.620”
3.512"
3.512"
3.620”
OEM18070-70
OEM18069-65R
Oversize
OEM18080-58R
Oversize
OEM18080-70R
Valve Guides • C630 Bronze • Cast Iron
A
B
C
D
E
0.470”
0.545”
0.700”
1.225”
0.745”
F
G
0.3085” 0.5650” / Std.
+0.001”
+0.002”
+0.010”
A
B
C
D
E
0.470”
0.545”
0.600”
1.225”
0.745”
F
Intake
C630 Bronze
Cast Iron
20-2320
20-2321
20-2322
20-2329
G
0.3375” 0.5650” / Std.
+0.001”
+0.002”
+0.010”
20-2320C
20-2321C
20-2322C
20-2329C
Exhaust
20-2330
20-2331
20-2332
20-2339
20-2330C
20-2331C
20-2332C
20-2339C
For sizing KPMI® Cast Iron Valve Guides please use Reamers and Ball Hones listed in HD® Tool section (Pg.90-93).
Valve Guide Seals • O.E.M. Replacement
Stem Diameter
5/16"
O.L
0.375"
Seal O.D.
0.630"
Seal Style
7
Designed for these guide specs
B
C
D
----0.295"
Quantity
Pkg. of 4
Pkg. of 8
Pkg. of 16
Pkg. of 50
Pkg. of 100
Designed for these guide specs
B
C
D
----0.295"
Quantity
Pkg. of 4
Pkg. of 8
Pkg. of 16
Pkg. of 50
Pkg. of 100
A
0.530”±0.002”
Part Number
71033-4
71033-8
71033-16
71033-50
71033-100
Stem Diameter
O.L
Seal O.D.
Seal Style
11/32"
0.375"
0.630"
7
A
0.530”±0.002”
Part Number
71034-4
71034-8
71034-16
71034-50
71034-100
Type
Intake
Exhaust
Quantity Discount
0%
0%
Less- 10%
Less- 15%
Less- 20%
Type
Intake
Exhaust
Quantity Discount
0%
0%
Less- 10%
Less- 15%
Less- 20%
Please use KPMI® installation tools and protectors listed in HD® Tool section (Pg.90-93).
Valve Seats • Powdered Metal
O. D.
KPMI P/N
Type
I. D.
Height
Quantity
10-SC541
Intake
2.132”
54.15mm
1.690”
42.93mm
0.450”
11.43mm
Pkg. of 1
10-SC446
Exhaust
1.757”
44.62mm
1.375”
35.00mm
0.450”
11.43mm
Pkg. of 1
34
KPMI’s proprietary seat material is compatible with leaded and unleaded fuels including methanol and ethanol fuel blends. This material o昀昀ers excellent
thermal characteristics and resists microwelding that leads to seat and valve face recession. Leading edge has generous radius to ease installation.
order 650-557-2046
