2026 KPMI Full Catalog V1 - Flipbook - Page 39
BSA ROCKET III 1968-1973
®
™
bsa
Valve Spring Kit • Lightweight Racing
KPMI P/N
Type
Max Valve Lift Installed Height
Seat Pressure Open Pressure
@ Lift
Intake
10-10200
.400”
1.350"
94#
240#
.400"
Exhaust
Kit Includes
6
CrSi Valve Springs
6
Titanium Retainers
6
H. T. Steel Basewashers
Valves • Black Diamond™ • Black Nitroneg Stems
KPMI P/N
Type
10-10212
Intake
38.86mm
10-10216
Exhaust
33.40mm
Stem Diameter
Tulip
O. L.
Remarks
1.530”
0.3097”
R 1.500”
3.975”
Standard
1.315”
0.3100”
25º
3.915”
Standard
Head Diameter
Valve Guides • Manganese Bronze
A
B
C
D
E
F
G
0.460”
0.560”
0.760”
1.310”
0.560”
0.3100”
0.5010” / Std.
10-10220
+0.002”
10-10222
+0.015”
10-10230
No seal required
Intake
A
B
C
D
E
F
G
0.330”
0.430”
0.765”
1.315”
0.560”
0.3100”
0.5010” / Std.
10-10240
+0.002”
10-10242
+0.004”
10-10244
+0.006”
10-10246
+0.015”
10-10250
Machined for seal. One seal supplied with each guide.
Intake
Exhaust
Exhaust
Valve Guide Seals • Viton®
O.L
Seal O.D.
Seal Style
5/16”
0.465”
0.550”
1
Designed for these guide specs
A
0.500”±0.010”
B
0.445”
C
0.230”
Type
D
0.280”
Intake
Exhaust
Part Number
Quantity
Quantity Discount
71012-4
Pkg. of 4
0%
71012-6
Pkg. of 6
0%
71012-8
Pkg. of 8
0%
71012-16
Pkg. of 16
Less- 10%
71012-50
Pkg. of 50
Less- 15%
71012-100
Pkg. of 100
Less- 20%
21
Stem Diameter
Visit us at www.kpmi.us
