The RZ-67D Dirt Helmet - The Ultimate Carbon Fiber Dirt Racing Helmet Dirt racing demands equipment that can handle some of the harshest conditions in motorsports, and the Zamp RZ-67D DIRT Helmet was built with exactly that in mind. Designed from the ground up as a dirt-specific carbon fiber helmet, the RZ-67D combines lightweight construction, modern styling, and race-proven technology to help drivers stay focused and comfortable when the track gets rough. Fully Stocked and Ready-to-Ship here at RacingDirect! Get the Look: ZAMP - RZ-67D Carbon DIRT Track SA2025 Helmet ZAMP - Z20 Shields