Performance Timing Chain Kit for Ford Expedition (2005-2011) 5.4L

Heavy-Duty Performance Timing Chain Kit for 2005-2011 Ford Expedition (U324)

What it Does: The Performance Timing Chain Kit replaces worn timing drive components, cam phasers, and oil delivery systems on the 2005-2011 Expedition to eliminate timing rattle, restore valve synchronization, and prevent catastrophic valvetrain failure.

The Stock Ford Expedition Timing Drive Failure

The factory timing system on the Triton 5.4L 3V engine suffers from well-documented hydraulic and mechanical vulnerabilities. Factory plastic tensioner gaskets blow out under sustained oil pressure, bleeding off hydraulic tension to the timing chains. This drop in oil pressure leads to chain slack, causing severe chain slap against the guide rails until the nylon guides fracture and drop debris into the oil pickup tube. Concurrently, insufficient oil volume starves the VCT solenoids and variable cam phasers, causing locking pin shear, erratic cam timing, rough idle, and severe misfires under load.

The Engineering Solution

This comprehensive service overhaul addresses critical oil starvation and tension loss at the root. The kit includes heat-treated, high-tensile steel timing chains (122 links) coupled with reinforced composite tensioner and guide rails designed to withstand extreme harmonic friction without cracking. New variable valve timing (VCT) solenoids and upgraded camshaft phaser sprockets restore rapid, accurate oil flow modulation to maintain correct cam advance and retard cycles. Paired with a replacement oil pump and water pump, this kit restores oil pressure volume to safeguard top-end valvetrain components and stabilize valvetrain timing across the entire RPM band.

What's Included

• 2 Timing Chains (122 Links / C-391)
• 2 Camshaft Phaser Sprockets
• 2 Cam Phaser Sprocket Mounting Bolts
• 1 Tensioner (Left Upper)
• 1 Tensioner (Right Upper)
• 1 Guide (Tensioner Rail-Left)
• 1 Guide (Tensioner Rail-Right)
• 1 Guide (Fixed Rail-Left)
• 1 Guide (Fixed Rail-Right)
• 1 Crank Gear (Double Row - One Side Recessed Only)
• 2 Camshaft Spacers
• 2 VCT Variable Camshaft Timing Solenoid Oil Control Valves (Left and Right)
• 2 Screws
• 2 Oil Control Valve Seals
• 1 Timing Cover Seal Set
• Timing Cover Gaskets
• Valve Cover Gaskets
• 1 Oil Pump
• 1 Water Pump

Technical Specifications

Compatibility

• 2005-2011 Ford Expedition 5.4L V8 SOHC 3-Valve (24-Valve)

Frequently Asked Questions & Fitment Warnings

Does this fit the U324 Expedition?

Yes, this is a direct fit for the 2005-2011 Ford Expedition equipped with the 5.4L Triton 3V engine. This kit does not fit 2-valve (16-valve) 5.4L engines.

Does this complete kit include the replacement water and oil pumps?

Yes, both a replacement high-volume oil pump and mechanical water pump are included to ensure complete oiling circuit and cooling system restoration during the timing service.

The Ford Heavy-Duty Standard

Engineered to handle the extreme cylinder pressures and thermal demands of heavy towing, this timing kit restores critical valvetrain stability and oil delivery to keep your full-size Ford working reliably under maximum load.