Camshaft - Exhaust - Stage 1 & 2 - Husqvarna | KTM - For dual cam engine - Adds a 5%-10% power gain - Designed and dyno proven in the USA - Manufactured by utilizing state of the art valvetrain software - CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile - This exhaust camshaft is to be used with specified stage 1 and stage 2 intake camshafts as noted. - Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted). - Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.