BSA B33 M33 English Made Standard Exhaust Valve

Hard-to-find BSA vintage motorcycle valves

Fits:

• 1957-60 BSA B33 350cc single, overhead valve
• 1948 and later BSA M33 all years

Features:

• Old stock, English-made to original factory specs
• High quality, perfect fit

Dimensions:

• Head OD - 40.54mm or 1.595 inches
• Stem OD -  9.53mm or  .374 inches
• Overall length - 96.84mm or 3.817 inches

Note:

• Our best information indicates this will fit the B33, it may fit other models, please check your BSA parts book.