Camshaft Phaser Lock - Mopar Gen III Hemi - Kit

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Additional Information

This phaser lock kit for '08+ Chrysler 5.7-6.4L HEMI engines comes complete with the phaser lock, 1/16" plug, tool and instructions to properly lock out the variable valve timing.

Part Type

Engine Variable Valve Timing (VVT) Adjuster Plug

Product Overview

Cam phasers are specially designed, computer-controlled cam gears that automatically optimize camshaft timing based on the current engine RPM and are currently used in all 2008+ Chrysler 5.7-6.4L VVT (Variable Valve Timing), 2005+ Ford Modular 3V, 2011+ Ford 5.0L DOHC Modular 4V V8 Ti-VCT (Variable Cam Timing) and 2007+ GM Gen IV VVT engines. Engine oil is pressure-fed to the phasers through passageways in the cylinder heads and cams. The engine computers control solenoids that adjust this oil flow into and out of the phasers' control chambers, creating the ability to retard the cams.

While this technology provides 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 cams. 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 the Chrysler Hemi, Ford Modular 3V and GM Gen IV VVT engines restrict the range of cam timing movement (14° for Chrysler, 20° for Ford and 22° for GM), thus providing the necessary valve clearance for serious performance cams with tighter lobe separations â€" all while utilizing the benefits of VVT technology. The Cam Phaser Limiters for the 2011+ Ford 5.0L 4V Ti-VCT engine limit the cam phasing to 25 crank degrees (12.5 cam degrees) while the cam phaser locks for that same engine allow fully adjustable locking over the OEM phaser range (50°).

The resulting upper-RPM gains from using COMP Cams Cam Phaser Limiters or Locks are some of the largest we've ever seen from a camshaft swap without sacrificing any bottom end or mid-range performance.

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Product Details

Product Downloads

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1.	Catalog

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Reference Information

Camshaft Phaser Limiters, Adjustable, Chrysler, Dodge, Kit

These COMP Cams adjustable phaser lock kits are easily adjustable and allocate locking over the OEM 50 degree phaser range. They allow you the use of larger, more aggressive aftermarket camshafts and are extremely durable. If you're looking for a way to gain more precise centerline control at high rpm under extreme conditions, then these high-quality adjustable phaser lock kits by COMP Cams will do the trick.