BSA/Triumph part numbers are 37-2328 and 37-3714, the internal return springs that hook to the brake shoes. Perfect and lovely, and will fit ALL BSA and Triumph drum brakes of the vertical twin or triple models, front and rear, 1971-on. The longer front springs are NOT suitable for the smaller single-leading-shoe brake fitted to the B25 and B50 singles.
Fabricated in rust-free, tarnish-free stainless steel. This listing is for the complete set of four shown.