Astra H VXR Engine Block Wedging CNC Machining Modification

£399.99 £299.99

SKU: VAUX-Z20LEH Category:


  • Improved Cylinder Wall Strength
  • Improved Reliability
  • Allows Higher Combustion Pressures

We can carry our CNC machining to your Astra H VXR engine block (Z20 LEH) to increase the strength of the cylinder bore walls, transforming the open deck block to a closed deck block, once fitted the block face will be decked to provide a perfect finish.

We can also provide cylinder re-boring and honing for over size pistons.

  • *Price does not include any stripping of your engine, rebuilding or shipping*
  • **Your head gasket may require drilling to align water ports for stock coolant flow**
  • ***Engine will require honing, or a re-bore and hone after fitment and then decking, we can do this or it may be done at a shop of your preference***