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Thickness: 1.0mm (same as factory thickness)
With this head gasket compression ratio remains nearly the same as stock. The larger bore of this head gasket (85.5mm vs stock 83mm) lowers the compression ratio by 0.04:1.
If you want to raise compression ratio slightly, go to our separate listing for the 0.8mm thickness version.
Features precision water/oil route seals and premium grade materials and coatings
Tomei compression ratio calculator:
Tomei stock engine data: