Warning: Last items in stock!
Cylinder head cut in the mass with short central spark plug.
The combustion chamber is revised downwards to make it possible to gain in torque and therefore in performance, as a result, the spark plug is shorter so as not to touch the piston.
The valve adopts an inclined position and the decompression and lifting lever is specific and sold with the kit.
This set is mounted on solex 2200 3300 3800.