The head gasket is the `grommet type` and has a bore of 88mm (suitable for 87~87.5mm diameter pistons).
The items are designed to withstand increased cylinder pressure and temperatures on built up engines and are available in the following thicknesses:
1.0mm
1.2mm
It will be up to you to notify us what thickness you would like to recieve.
These items are very popular and sometimes go on `special order` which normally ship in 3-5 working days.