Accessory Petcocks, Custom Petcocks

Nobody's perfect. There is no part on the Harley-Davidson that cannot be changed or even improved. This also applies to the fuel valve. There are several reasons for this: the limit of the standard fuel valves is often the passage. With a free-breathing air cleaner, performance cam and unrestricted exhaust, the flow of the tap may not be sufficient to keep the fuel level in the float chamber at the correct level. Loss of performance is the result. A ball valve petcock with a really good flow rate is the solution.

Leaking Stock Petcocks

The venerable 50s' petcock just won't seal, the operating spindle through the tank doesn't fit into its counterpart, and the use of the appropriate straightening tool doesn't work either? At this point he alternative from the Bates range helps. Install the adapter and the appropriate tap and everything is sealed again, with more flow on top of that.

Different threads

Not every aftermarket gas tank has a petcock thread that matches the stock petcock. Before buying a tank, you can find out about the thread in our webshop and order a selection of suitable cocks at the same time. By the way, if you own a tank of unknown origin and want to know what kind of thread it has, you can find information about threads on our website.

No space for a petcock?

If the tank is placed so low above the engine that there is absolutely no room for a tap with a lever, outlet and pipe, a tap that you build in the rubber line — or directly to the carburetor.