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Brand: C.OEFT
OE numbers: ASBG-AT4Z-11
Product Name: Timing Chain Kit
Compatible model: AT4Z6C255B AT4Z6256A-B 7T4Z8501B/C
Product status: New
Product weight: 9.980kg
Packaging size: 40*40*10 cm
Product packaging: Neutral Packaging
Car Series: American
Car Type: For Ford
As the "nerve center" of the engine’s timing system, the kit ensures precise synchronization of key components:
·Timing Chain & Sprockets: Connect the crankshaft and camshafts, maintaining a 1:2 rotation ratio (four-stroke engine standard). For dual-cam engines (e.g., EcoBoost, Coyote), the chains ensure intake/exhaust camshafts rotate in sync, aligning valve opening/closing with piston movements (intake → compression → power → exhaust). This prevents "timing misalignment"—a catastrophic failure that can cause valve-piston collision, leading to bent valves or engine seizure.
·Automatic Tensioners: Real-time tension adjustment stabilizes chain operation, avoiding "chain rattle" (idle noise) and "tooth skipping" (high-speed power loss)—common issues in Ford’s high-torque engines with non-automatic kits.
2. Adaptation to Ford’s Engine Technologies (EcoBoost/Ti-VCT/Coyote)
·Support for Turbocharged EcoBoost Engines: The reinforced chain and heat-resistant guides handle the 2.7L/3.5L EcoBoost’s high exhaust temperatures and turbo pressure, maintaining timing accuracy during boost (up to 20 psi), ensuring no power loss or knock.
·Compatibility with Ti-VCT (Variable Cam Timing): The kit’s precise sprocket tooth profiles and automatic tensioners work with Ford’s Ti-VCT system, allowing camshaft phase adjustment (±30 degrees) for optimized fuel efficiency (5% improvement in Edge/Explorer highway MPG) and low-end torque.
·High-Performance for Mustang Coyote V8: The 1,500 MPa chain and high-tension automatic tensioner withstand the Coyote’s 7,000 rpm high-speed operation, ensuring stable timing during aggressive driving (e.g., track days), preserving the engine’s 460 HP output.
3. Noise Reduction & Driving Comfort
·Low-Noise Operation: The PTFE-coated guides and automatic tensioners reduce timing system noise to ≤60 dB at idle (matching Ford’s OEM quietness standards), avoiding the "metallic rattle" common in aftermarket kits—critical for the Edge/Explorer’s family-oriented comfort and the Mustang’s refined performance feel.
·Engine-Specific Fit Across Models: Strictly calibrated to the timing system parameters of Ford’s key engines for these three models:
For Ford Edge (e.g., 2015-2020 2.7L EcoBoost V6): Matches the engine’s dual-cam timing layout, ensuring chain length and guide spacing align with the cylinder head structure.
For Ford Explorer (e.g., 2016-2023 3.5L EcoBoost V6): Adapts to the engine’s turbocharged high-torque demand, with components resistant to 220℃ operating temperatures.
For Ford Mustang (e.g., 2015-2023 2.3L EcoBoost / 5.0L Coyote V8): Optimized for high-performance scenarios (e.g., 7,000+ rpm for the Coyote engine), with reinforced chain and tensioner.
·OEM Part Number Alignment: Key parts (AT4Z6C255B: timing chain tensioner; AT4Z6256A-B: timing guide; 7T4Z8501B/C: camshaft sprocket) strictly follow Ford’s OEM specifications. They can directly replace original parts without modifying the engine block or timing cover, eliminating "fitment gaps" common in universal kits.
All-in-One Kit Convenience: Integrates all necessary components for a full timing system overhaul (timing chains, automatic tensioners, upper/lower guides, camshaft sprockets, damper). This saves repair shops from sourcing scattered parts and avoids mismatches (e.g., tensioner stroke incompatible with chain length), cutting procurement time by 40%.
2. "Automatic Tension" Technology for Adaptive Stability
·Dual-Stage Hydraulic Automatic Tensioners: The core AT4Z6C255B tensioner adopts a "hydraulic + spring" dual-stage structure, with a built-in pressure relief valve and position sensor. It automatically adjusts tension based on engine load:
At idle/low speed: Maintains low tension to reduce chain wear and noise.
At high speed/full load (e.g., Mustang acceleration): Increases tension instantly to prevent tooth skipping, adapting to Ford’s high-performance engine dynamics.
·Self-Compensation for Wear: Unlike manual tensioners, the automatic design compensates for chain stretch (caused by long-term use) in real time, extending the kit’s effective service life by 30% compared to non-automatic kits.
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