This O-ring head joint is aOriginal part IAME, designed specifically to ensure the perfect seal between the cylinder and the head of your X30 engine. Located on the outer edge of the combustion chamber, this "large diameter" prevents any leakage of the coolant outwards or, more serious, into the engine.

The use of an original part guarantees optimal resistance to high pressures and extreme thermal stresses encountered in competition.

TheIAME original base sealis essential to ensure the sealing between your motor case and the cylinder. More than just a joint, it is a real adjustment tool: by playing on the thickness of the joint, you change the height of the cylinder, which directly influences thesquishand volume of the combustion chamber.