Please select your bike to check compatibility with this product.
The Factory cylinder heads with variable combustion chamber are a must-have for any racer and offer the following properties:
To boost your motorcycle’s performance even further, we recommend a combination of the factory cylinder heads with the following parts:
Delivered without combustion chamber insert.
For the carburetor jetting, we recommend using the standard jetting of your vehicle.
More information on the carburetor jetting can be obtained from your authorized dealer.
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