Roger Clark Motorsport Rally Restrictor Profile Camshaft KitRCM Camshaft Kits have been designed and developed in house, to ensure that they deliver the maximum power possible over a wide power band. Each Cam is precision ground and polished from a new blank to the same exacting standards and tolerances every time, ensuring you have the same quality Cams as you would see in our race engines. This Camshaft kit has been designed to used with a turbo restrictor in line with Rally regulations. Vehicle Fitment: