New products
Honda Spree to Dio intake adapter
$ 29.99
This intake adapter was specifically made to mount a big valve intake on your honda spree, or aero 50 with the 2 bolt intake! This will allow you to make more power, along with run a larger carburetor! These include bolts to mount the adapter to your case, along with gaskets!
Don't forget some ProCure to avoid any leaks.
Big valve manifolds available here