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COMP Cams 5449

Cam Phaser Limiter Kit 2005-Newer Ford 4.6L/5.4L Modular 3 Valve Includes:



COMP Cams 5449

Part Number: 249-5449

Cam Phaser Limiter Kit
  • 2005-Newer Ford 4.6L/5.4L Modular 3 Valve
    Includes:
  • Phaser Limiters
  • Phaser Spring Lock Tool
  • Phaser Spring Compressor
  • $211.06
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    COMP Cams 5449 Cam Phaser Limiter Kit 2005-Newer Ford 4.6L/5.4L Modular 3 Valve Includes: $211.06

    COMP Cams 5449 Details

    Ford

  • Phaser Limiter Kit


  • Cam Phaser

  • Specifications:

    Cam Phaser Disassembly Tool Included
    Yes
    Limiter Plates Included
    Yes
    Quantity
    Sold as a kit
    Manufacturer's Part Number:
    5449

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

    Comp Cams Cam Phaser Limiter Kits for Ford Modular 3V engines and 2007-Later GM Gen IV VVT engines restrict the range of cam timing movement (20° for Ford and 22° for GM), thus providing the necessary valve clearance for serious performance cams with tighter lobe separations (while still utilizing the benefits of VVT technology). 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 OE phaser range (50°). The resulting upper-RPM gains from using Comp Cams Cam Phaser Limiters or Locks are some of the largest from a camshaft swap without sacrificing any bottom end or mid-range performance.

    Does COMP Cams 5449 fit your vehicle?

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    2009-2010 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: ALL

    2006-2007 LINCOLN TOWN CAR

    • Liter: 4.6
    • SubModel: DESIGNER SERIES
    • CUI: 281
    • EngineType: V8

    2006-2008 FORD CROWN VICTORIA

    • Liter: 4.6
    • SubModel: LX
    • CUI: 281
    • EngineType: V8

    2009 LINCOLN TOWN CAR

    • EngineType: ALL
    • SubModel: SIGNATURE LIMITED

    2009 LINCOLN TOWN CAR

    • EngineType: ALL
    • SubModel: EXECUTIVE L

    2006-2008 LINCOLN TOWN CAR

    • Liter: 4.6
    • SubModel: SIGNATURE LIMITED
    • CUI: 281
    • EngineType: V8

    2006-2008 MERCURY GRAND MARQUIS

    • Liter: 4.6
    • SubModel: LS
    • CUI: 281
    • EngineType: V8

    2006-2007 LINCOLN TOWN CAR

    • Liter: 4.6
    • SubModel: SIGNATURE
    • CUI: 281
    • EngineType: V8

    2006-2009 LINCOLN TOWN CAR

    • Liter: 4.6
    • SubModel: EXECUTIVE
    • CUI: 281
    • EngineType: V8

    2010 LINCOLN TOWN CAR

    • EngineType: ALL
    • SubModel: ALL

    2006-2008 LINCOLN TOWN CAR

    • Liter: 4.6
    • SubModel: EXECUTIVE L
    • CUI: 281
    • EngineType: V8

    2008 FORD CROWN VICTORIA

    • Liter: 4.6
    • SubModel: POLICE INTERCEPTOR
    • CUI: 281
    • EngineType: V8

    2011 FORD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: POLICE INTERCEPTOR

    2006-2009 LINCOLN TOWN CAR

    • Liter: 4.6
    • SubModel: SIGNATURE L
    • CUI: 281
    • EngineType: V8

    2009-2010 FORD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: ALL

    2006-2008 FORD CROWN VICTORIA

    • Liter: 4.6
    • SubModel: BASE
    • CUI: 281
    • EngineType: V8

    2006-2008 MERCURY GRAND MARQUIS

    • Liter: 4.6
    • SubModel: GS
    • CUI: 281
    • EngineType: V8
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