2251-2IN - Hot Cams Camshaft Intake Stage 2 For Arctic Cat Textron 400 2X4 2007-2008

Features: Adds 5%-10% power gain. Designed and dyno proven in the USA. Engineered by utilizing state-of-the-art valvetrain software. CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile. 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. For mid to top-end gains.. Made to be drop-in cams that use stock valve springs (unless noted).. Offroad competition use only. Use with 0925-0694 to increase mid range and top end power over OEM with no loss on the bottom end. Improves full throttle torque and horsepower at 4000 rpm and up. For dual cam engine. Required to use Suzuki DRZ400 valve springs when installing in Suzuki LTZ400 or Arctic Cat DVX400 or Kawasaki KFX400. Kawasaki KLX400R/SR uses stock KLX400 valve springs. Intake Valve Lash: 0.150 mm..