Precision lash adjuster assembly kit engineered for 2011-2026 Mustang Coyote engines. This complete kit delivers OEM-quality valve train performance, ensuring proper valve clearance and optimal engine efficiency. Designed for straightforward installation, it eliminates guesswork in valve adjustment procedures. Essential for maintaining peak horsepower delivery and extending engine longevity. Trust this kit to restore your Coyote's valve train to factory specifications with professional-grade reliability.
Why It Hits
Hydraulic lash adjusters keep your Coyote at zero lash as parts heat cycle and wear. Worn or collapsed adjusters cause valvetrain noise, unstable cam phasing, and power loss. This kit brings the top end back to factory specification—clean idle, crisp response, and repeatable horsepower on track days and long pulls.
Vehicle Fitment
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2011–2026 Ford Mustang 5.0 Coyote (Gen 1–4, including S197, S550, S650)
Note: Designed for 5.0 Coyote engines. Not intended for 5.2L GT350/GT500 architectures.
Features
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Complete set of 32 hydraulic lash adjusters (one per valve) for a full refresh
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OEM-quality materials and tolerances for quiet operation and long service life
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Maintains proper valve clearance automatically across heat and RPM
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Stabilizes cam timing for consistent high-RPM performance
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Direct-fit replacement — no machining, no custom shimming
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No tune required — mechanical reliability upgrade
What’s Included
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(32) Precision hydraulic lash adjusters (lifters)
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Installation reference sheet (general guidance)
Recommended Pairing (Do it once, do it right)
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New cam followers (rocker arms) — replace in pairs with adjusters
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Cam phaser bolts & valve cover gaskets
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Timing service consumables (front cover seals, RTV, fresh oil & filter)
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Optional: OPG/CS (oil pump gears/crank sprocket) if you regularly spin high RPM or plan boost
Tech Notes / Install
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Professional installation recommended. Requires cam/rocker removal and correct torque/sequence.
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Pre-lube cams and followers; soak adjusters in clean engine oil prior to install.
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Verify cam phaser operation and timing marks during reassembly.
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Prime oiling system and check hot idle oil pressure after first start.
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Typical shop time: 6–10 hours, depending on concurrent timing/valve cover service.
Specs
| Item | Detail |
|---|---|
| Engine | Ford 5.0L Coyote (Mustang, 2011–2026) |
| Type | Hydraulic lash adjuster (lifter) |
| Quantity | 32 (complete engine set) |
| Fitment Style | Direct OE replacement |
| Tuning Required | No |
| Intended Use | Street/track/forced-induction builds |
| Benefit | Restores valve train to factory spec; reduces noise; stabilizes cam timing |
Symptoms This Kit Solves
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Cold or hot valvetrain tick
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Inconsistent idle or occasional misfire from collapsed adjusters
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Top-end power fall-off despite healthy cams/tune
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Erratic cam phasing data under load
FAQs
Do I need a tune after installing lash adjusters?
No. They’re mechanical OE-style parts and do not alter calibration.
Can I replace only a few noisy adjusters?
You can, but on higher-mileage or performance builds we recommend the full set of 32 to maintain uniform behavior bank-to-bank.
Should I replace rockers at the same time?
It’s smart preventative maintenance. New followers + adjusters reduce wear-pattern mismatch and help ensure quiet, consistent operation.
Emissions & Compliance
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Mechanical valvetrain components — no emissions impact, 50-state legal.
Warranty & Returns
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Manufacturer’s limited warranty against defects in materials/workmanship.
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Wild 5 Racing return policy applies to new, uninstalled parts—contact us for details.
Prop 65
WARNING: Cancer & Reproductive Harm — www.P65Warnings.ca.gov
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