The MV8 6.0L takes your on-water experience to the next level, exclusively featuring variable valve timing for extra performance.The dual-equal hydraulic cam phaser that adjusts camshaft timing at same rate for intake and exhaust valves; advancing cam timing for low end torque and retarding cam timing for high RPMhorsepower. Like the 5.7L, the 6.0L has been certified for tournament use by the American Water Ski Association.