You will get one brand new aluminum stack as pictured.This is threaded to screw onto your 900 series Amal Concentric carb that came stock on 1968 and up Triumph Norton and BSA motorcycles. This will fit 28mm and 30mm carbs, 932, 930 or 928.
This measures 2 3/8″ long plus the convex screen which sticks out 5/8″. The ID of the threaded end is 1 13/16″, the OD of the bell end is 2 13/16″. This is Made in the UK and is quality spun aluminum.

Condition: NEW

Brand: STEADFAST CYCLES

Country/Region of Manufacture: UNITED KINGDOM

Manufacturer Part Number: SC-V900

Surface Finish: ALUMINUM