Cast Aluminum Velocity Stack 1.7" ID (43mm)

These Cast Aluminum Velocity stacks have a 1.7" ID (43mm) x .180" Wall x 1.38" tall with a top OD of 2.75"

While these are good castings with 356 alloy aluminum, it is a good idea to clean and smooth them both before welding and after.

These Velocity stacks can be opened up to 2" ID.

Sold individually