BSA 500 650 A7 A10 STAINLESS Spring Kit 1958-63

Perfect and lovely, to suit all 500/650cc twin BSA from 1958 through '63, I believe.  Fabricated in rust-free, tarnish-free stainless steel, included are:

42-4355 Rear brake pedal spring

65-4742 Sidestand spring 

42-4730 Centerstand spring