pressure reducing valve return spring

60Si2CrA valve spring

armature return spring

back pressure spring valve

ball check valve spring

ball-and-spring valve

brake pedal return spring

brake return spring

brake shoe return spring

bypass valve spring

centering valve spring

charge relief valve spring

charging valve spring

check valve spring

control diaphragm return spring

control valve spring

cylinder head inner valve spring

cylinder head outer valve spring

cylinder head valve spring guide