2026 KPMI Full Catalog V1 - Flipbook - Page 32
BSA A10 1950-1962
®
™
BSA
Valve Guides • Manganese Bronze
A
B
C
D
E
F
G
Intake
Exhaust
0.585”
0.765”
0.675”
1.335”
0.620”
0.3105”
0.5632” / Std.
10-4132
+0.002”
10-4133
+0.004”
10-4134
No seal required.
Wrist Pin Bushings • Bronze
KPMI P/N
Material
O. D.
I. D.
O. L.
Remarks
Quantity
10-10350
SAE660 Bronze
0.8775"
0.7480"
0.950"
Standard
Pkg. of 1
10-10352
SAE660 Bronze
0.8795"
0.7480"
0.950"
+0.002”
Pkg. of 1
Designed and manufactured by Kibblewhite® to original OEM speci昀椀cations with Kibblewhite® quality and precision.
BSA B25 1968-1971
®
™
Valve Spring Kit • Lightweight Racing
KPMI P/N
Type
Max Valve Lift Installed Height
Seat Pressure Open Pressure
@ Lift
Intake
10-10300
.500”
1.375"
80#
258#
.500”
Exhaust
Kit Includes
2
CrSi Valve Springs
2
H. T. Steel Retainers
2
H. T. Steel Basewashers
The springs in these kits are wound from super clean chrome silicon wire that has been heat treated and shot peened. These components o昀昀er optimal 昀椀tment,
keeping lateral movement to a minimum. They work together as a system, providing long life, and maximum performance.
Valves • Black Diamond™ • Black Nitroneg Stems
14
ORDER 650-557-2046
KPMI P/N
Type
Head Diameter
Stem Diameter
Tulip
O. L.
Remarks
10-10312
Intake
36.91mm
1.453”
0.3105”
27°
3.660”
Standard
10-10313
Intake
37.92mm
1.493”
0.3105”
27°
3.660”
Oversize
10-10316
Exhaust
33.40mm
1.315”
0.3100”
24°
3.645”
Standard
10-10317
Exhaust
34.39mm
1.354”
0.3100”
24°
3.645”
Oversize
