BSA UNIT CYLINDER HEAD

!

VALVE GUIDE B40
41-0017
!
INLET AND EXHAUST

INLET VALVE B40 LATE
41-0022
!
Diameter 37,18mm
Length 88,46
Shaft 7,85mm

EX VALVE B40
41-0023
!
B40 1960-'63
SS90 1960-'65
Diameter 35,75mm
Length 87,83
Shaft 7,85

IN VALVE B44 SQUARE CYLINDER
41-0788
!
Diameter 38,95mm
Length 91,88mm
Shaft 7,7mm

EX VALVE B441, VICTOR
41-0789
!

Diameter 35,75mm
Length 90,80
Shaft 7,80mm

VALVE COLLET
68-0158
!
A50/65 pre 1970
B 40
Triumph number 70-8117

IN VALVE B25, A50
68-0661
!
70-8112

EX VALVE B25, A50
68-0662
!
Triumph number 70-7777

INLET GUIDE B50
71-1626
!

Bronze

alt. numbers: 41-0632, 41-0633, G510PB

EXHAUST GUIDE B25, B50
71-1627
!

Bronze exhaust guide

alt numbers: 70-8226, 40-0931, G539PB

IN VALVE B50
71-1735
!
44,5 x 103,8 x 7,86mm

EX VALVE B50
71-1736
!
38,85 x 102,29mm. Stem 7,83