Haynes Manual for BSA Pre-Unit Singles Part Number:M12-274478 (MFG #: CM326) A structured 6-panel snapback with

A structured 6-panel snapback with a flat brim and embroidered patch

Straps with aluminum bridge

durable black frame with classic elastic band that is adjustable for comfort and can be worn over hats during inclement weather

The SST Shorty Silencer is the heart and soul of the SST power package

For easy removal of 4 mm to 13 mm (5/32" to 1/2") vacuum and fuel hoses during tube fitting

Haynes Manual for BSA Pre-Unit Singles Part Number:M12-274478 (MFG #: CM326) A structured 6-panel snapback withModels Covered by this Manual: BSA B31 ohv single 348cc. 1954 to 1959 BSA B32 Competition model 348cc. 1955 to 1957 BSA CB and DB 32 Gold Star 348cc. 1954 to 1957 BSA M20 side valve single 496cc. 1954 to 1955 BSA M33 ohv single 499cc. 1954 to 1957 BSA B33 ohv single 499cc. 1954 to 1960 BSA B34 Competition model 499cc. 1955 to 1957 BSA CB, DB and DBD 34 Gold Star 499cc. 1954 to 1961 BSA M21 side valve single 591 cc. 1954 to 1961