Cylinder head S3 300 AAA GAS GAS TXT until 2014. (Extra + Extra Compression)
Brand: S3 Parts
Reference: ST-1039-300-AAA
Description
The "S3 300 AAA nock" is a component used on GAS GAS TXT trials motorcycles until 2014. The nock, also known as cylinder head or cylinder head, is the upper part of the engine cylinder where the valves and the combustion chamber.






















