Keihin CV Carburetors

Cast aluminum manifolds for Evolution engines with Keihin CV carbs.

The installation of a a CV carburetor with Custom air cleaner on a Panhead, Shovelhead or Ironhead Sportster involves two problems:
the protruding upper carb end interferes with the commonly flat backing plates of accessory air cleaners, omission of the stock CV air cleaner results in an unsupported carburetor,
This smart kit inludes a 3 mm spacer plate, which resolves the first problem and a flange adapter with two spiral springs to connect spacer and plate and thus safely hold the carburetor in its rubber flange = resolution of the second problem.
Will fit all motors with 2-bolt Tillotson, Bendix or Keihin (butterfly) manifolds. Installation also requires a 2-bolt flange adapter and a carburetor support bracket, which both need to be purchased separately.

If you own a Shovelhead, Panhead or Ironhead Sportster, this bracket is for you. It allows attaching a CV carburetor to 2-bolt Tillotson, Bendix or Keihin (butterfly) manifolds. The bracket even has a mount for the CV-carburetor choke cable. Longer screws and little spacers to go to the carburetor lid are included.
Depending on configuration, installation might require:
2-bolt flange adapter, carburetor support bracket, air cleaner spacer 3mm, gaskets,
Please acquire these items separately.

The adapter flange allows for easy and secure mounting of a CV carburetor on Bendix and Keihin throttle body manifolds. This makes it possible to use the popular Harley-Davidson CV carburetor on a wide range of vintage models, including Knuckleheads, Panheads, Shovelheads, as well as Sportster models up to 1987 and Evo Big Twins up to 1989.
Manufactured from high-strength aluminum and CNC-machined, this adapter impresses with precise craftsmanship, durable quality, and a perfect fit. It is equipped with a specially designed O-ring that ensures a reliable seal and minimizes the risk of leaks. The attachment is achieved through press-fit onto the carburetor, with cold metal compound available for secure fixation if needed. An additional gasket is generally not required.
It is important to note that the press-fit is permanent and cannot be reversed without damage after installation. When installed carefully, this technique provides an absolutely tight connection, reliably sealing out any air leaks and ensuring optimal engine performance of your Harley-Davidson.