Images
Manufacturer
BSA
Article number
31-106. DBL11. 31-0106
M20. M21. WM20. WM21. WD.
Price excl. VAT
€ 11,25
Variations
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Body
Valve Springs M20/M21
1937-1957
Measurements:
L: 57mm - 2 1/8"
D: 32.7mm - 1 9/32"
6 Turns
Thread Thickness: 3.75mm
Price per Pair