Blue Hylomar Gasket and Jointing Compound.
A non-setting universal jointing compound, resistant to fuels and lubricants for use on gaskets and metal surfaces.
We recommend that this is used to fit the Gas Gas Cylinder Head Spacer. (Use an even, thin smear of this product on the underside of the head spacer before laying on the cylinder. Do not use on the o’ring side).
Use with care and read all warnings before use.