Techno Toy Tuning Velocitiy Stacks for the Webber, Mikuni, Solex, OER carbs.

Solid billet construction, these are machined from one piece of aluminum from beginning to end.

Availabe in both 45mm and 50mm bores. (Also available in 40mm. Contact us for info)

These have a flat flange, and do not insert down into the carb to hold the choke plate, so please check your carbs to see if they will work with your application.

Perfect balance of Torque and HP.

Amazing sound and roar. Scare the guy in front of you when you are on the track and go full throttle!

Availabe in Red, Silver, Gold or choose wisely!

Price is for a set of 6.

If you need a custom bore, please contact us. We can tailor these to pretty much any bore from 40mm to 50mm.


  • Solid Billet Aluminum
  • Continuous Curve Bell
  • Amazing Sound
  • Direct bolt in solution