Relaxing spacer under the head made of 0.8mm thick acid-resistant steel. The spacer is used to lower the compression ratio of the engine in order to enable an increase in power by installing a turbocharger or a compressor. The spacer is mounted between the 2 factory head gaskets. The spacer with gaskets reduces the compression ratio depending on the engine and the previously made head and block surface planning. The spacer is designed for the M50b25 engine Product made in POLAND, laser burned in fiber technology. Our products have been tested in extreme conditions on various battlefields - between others in drifting and rallies. We offer for sale a release spacer for a head made of acid-proof steel, 0.8mm thick. The spacer serves to lower the compression ratio of the engine in order to allow for increased power & nbsp