The head gasket is a `grommet type` and has a bore of 88mm (suitable for 86~87.5mm diameter pistons).

The items are designed to withstand increased cylinder pressure and temperatures on built up engines and are available in the following thicknesses:

1.6mm

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.