Spring for standard carburettor air box SSB (mellan)

Fits the medium-length filter housings that are approx. 68mm long. Carburetor: SSB 8.5, 12, 17 mm orig.nr .: Bing: 61-469, Sachs: 0261 053 005 Originally mounted on the following carburetor: 1 / 8.5 / 8; 1 / 8.5 / 10; 1/12/129; 1/12/133; 1/12/134; 1/12/148; 1/12/154; 1/12/155; 1/12/161; 1/12/163; 1/12/167; 1/12/167; 1/12/168; 1/12/169; 1/12/170; 1/12/188; 1/12/190; 1/12/239; 1/12/315; 1/12/1670