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BSA Cylinder Head Bolt Set B31/B33/M33 Stainless
Price per Set
measurements see last picture

Made in England

Bsa Blue Star High Level Exhaust pipes - No Lug
chromed
Pipe Size into Cylinderhead: 1 5/8"
Pipe Size into Silencer : 1 3/4"

Made in England

BSA Cylinder Holding Stud B44 1969-
7" x 7/16"
Crancase Side 14TPI UNC
other Side 20TPI UNF - fitting Nut 14-304

Made in England

BSA C15/B40 Rockerbox Stud

1/4"26TPI/BSC/BSF both ends Length 2.1/4" = 57 mm Can be used for Velocette cylinder head LE

Made in England

BSA B31/B33 Exhaust Pipe High Level, S/A,
1946-
1 5/8"=41.3mm
The cylinder head must be a diameter of 1 5/8"
1946-1959
chromed
Made in UK

Norton/Triumph Nut 7/16" 20TPI UNF
BSA B44 Cylinder Head Nut

Made in England