Triumph Racing Primary Crankcase Breather Stub By CBS Specs:1" X 16 TPI Included in this kit

Included in this kit

Perfect for virtually any application that uses a 1/4" I

UK Made Triumph Crankcase Front Breather Vent Pipe

This is also known as the "oval style" rubbers with no logo

For sale is a new Triumph twins rear license number plate

Triumph Racing Primary Crankcase Breather Stub By CBS Specs:1" X 16 TPI Included in this kitA popular racing mod back in the day on pre 1970 Triumph 350, 500 and 650 unit twins was to allow the engine to breathe through the primary side case. Models from 1970 and on already featured this design however, pre 1970 models did not. If your engine features the timed inlet cam breather and you would like the engine to breathe through the primary you would have to drill (3) small holes near the bearing housing I won't get into detail regarding the