BSA Gold Star valve springs, also for B50

BSA Gold Star valve springs, also for B50 BSA Gold Star valve springs, also for B50 BSA Gold Star valve springs, also for B50
Product Code: 65-2494 and 65-2495
Availability: In Stock
Price: £28.80
Ex Tax: £28.80
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Premium quality valve springs made from the best materials.

  • Material: super clean Silicon Chromium Vanadium Nickel alloy steel, produced for the manufacture of valve springs and other springs requiring high fatigue properties and good relaxation properties.
  • Manufacture: made in the UK to the original BSA specification for the BSA 500cc DBD and 350 cc DB motors (BSA part nos. 65-2495 inner and 65-2494 outer).  In manufacture the springs are coiled, stress relieved, shot peened and then hot preset to give them optimum fatigue and relaxation properties.
  • As used in our conversion kit for alloy head A10 BSA twins.
  • Also correct fitment for the BSA B50.
  • As per the original BSA specification, the outer springs are variable rate.
  • A pair of these DBD valve springs weighs typically approximately 63 grams.
  • The fitting notes give correct installed length range for installation.
  • With suitable valve retainers these springs can be used in many other engines.

Price is for two inner/outer spring pairs, i.e. one set is needed for a single cylinder engine and two sets for a twin.

Fitting is described in the note covering the alloy head BSA A10 valve spring conversion that we market.  The note can be viewed, printed or saved as a file, click here.

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