An evolution over the last couple of years, our Promaz Racing Mazda RX-8 recently ran a personal best pass at the Brisbane Jamboree of 7.41 @ 188mph. Our RX-8 is powered by a Promaz 13B Cosmo bridge port race engine that features BilletPro front and rear billet end plates for added strength and durability. A unique feature of these plates … Continue reading PRORX-8 rotary by Promaz