When you have a highly tuned motor with a big bore kit and stroker kit, and especially with high compression pistons, you may want to use a thick block gasket to adjust your deck height. Our Alloy gaskets comes in various heights for the Yamaha R15/R125/MT-15/MT-125 and will not deteriorate under high temperatures. Warning, professional installation is highly recommended! Not suitable for light mods.

*We may not stock all thicknesses available for this item all the time. We will contact you if your selection is unavailable or delayed*