Spacer for relaxing the BMW M30 Turbo head SW-118-0047

We offer a 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 to about 8.5: 1 depending on the engine and the previously made head and block surface planning. The spacer is designed for the M30B35 engine Product made in POLAND, laser burned in fiber technology. various battlefields - including drifting and rallies. They have never failed! We offer a relaxing spacer under the head made of 0.8mm stainless 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 to about 8.5: 1 depending on the engine and the previously made head and block surface planning. The spacer is designed for the M30B35 engine Product made in POLAND, laser burned in fiber technology Our products have been tested in extreme conditions on various battlefields - including drifting and rallies. They never failed!