2004-2015 DORMAN 4.6L/5.4L 3V LOCKOUT PAIR
These solid lockouts lock the internals of the newer style Dorman 3V cam phaser to create a fixed gear with no moving parts and no internal mechanisms to fail. Simple in design and requiring no special tools to install. Also take a look at our wedge tool part number LPP823120 which dramatically increases ease of installation.
The use of aftermarket valve springs with increased spring pressure, as well as aftermarket camshaft profiles do not allow the factory Ford cam phaser to function properly and may even cause it to fail. The increased spring pressures and more aggressive camshaft ramp rates cause the phaser to behave erratically. The factory phaser cannot control these added pressures, and in the majority of cases the phaser will emit a knocking noise as the phaser struggles to control the camshaft position. This can also cause erratic idle, poor mileage and power loss..
Note: Tuning is required after installing this product
About Livernois Motorsports
Livernois Motorsports & Engineering has become best-known for revolutionary tuning and high-end performance products for late model Ford, Mopar and GM vehicles. The company is proud of its deep roots in the automotive and motorsports industry dating back to its original founding in 1949. Since then the company has expanded its product line to include tuning and performance components for desert racing, SCCA and drag racing. Livernois Motorsports is proud to engineer, test and manufacture its products in the USA.
These cam phaser limiters are designed to allow the use of aftermarket springs and camshafts in vehicles with the aftermarket Dorman phasers. The limiters are two piece anodized billet aluminum and designed to fit within the newer style Dorman phaser assemblies. These limiters are designed to lock the cam in the full advance position. They eliminate the durability issues associated with the phasers and allow the use of larger aftermarket camshafts and springs.
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