The head gasket is the `grommet type` and has a bore of 87mm (suitable for 86~86.5mm diameter pistons).

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

1.4mm

1.6mm

1.8mm

2.0mm

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.