COMP Cams 5460 Camshaft Phaser Kit for GM Generation IV VVT LS Application Cam & Lifter Kits

COMP Cams 5460 Camshaft Phaser Kit for GM Generation IV VVT LS Application,Cam & Lifter Kits,Engine Parts,Engines & Engine Parts,Engines & Engine Parts,Replacement Parts Cam & Lifter Kits

• For GM Generation IV 2007-2008 VVT applications
• Automatically optimize camshaft timing based on the current engine rpm
• Computer controls the oil flow in and out of the phaser's chambers giving the ability to retard the cam up to 52 degrees

Camshaft phasers are specially designed, computer-controlled cam gears that automatically optimize camshaft timing based on the current engine rpm. Currently they are used in all and newer Ford Modular 3 Valve and all and newer GM L92 engines. Engine oil is pressure fed to the cam phasers through a series of passageways in the cylinder heads and camshafts. The engine computers control solenoids that adjust this oil flow into and out of the phaser's control chambers, giving the ability to retard the cams up to 60 crank degrees. While this technology provides tremendous efficiency benefits, such as fuel efficiency and the ability to always be in the best position for maximum power, regardless of engine rpm, it does present some limitations when it comes to performance camshafts. With such a wide range of valve timing movement, there is very little piston to valve clearance, which limits you to small cam profiles with little overlap. The COMP Cams Cam Phaser Limiter Kits for Ford Modular 3V engines and GM Generation IV VVT (Variable Valve Timing) engines restrict the range of cam timing movement to only 20 degrees, thus providing the necessary valve clearance for serious performance cams with tighter lobe separations - all while still utilizing the benefits of VVT technology. Combining this performance modification with more aggressive cam profiles has resulted in some of the largest upper-rpm gains ever seen from such a simple valve train adjustment without sacrificing any bottom end or mid-range performance.

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