SKU: QA1HD05-12200
UPC: 806990174178
MPN: HD05-12200
The QA1 Strut Kit for Mustang 05-14 with double-adjustable suspension and 200 lbs/in spring rate delivers precision handling control for fifth-generation Pony cars. This front strut pair uses a twin-tube design with aluminum construction and black anodized finish, engineered for street and road-course driving where adjustability and consistent damping are critical to chassis tuning.
Double-adjustable dampers allow independent tuning of compression and rebound, a feature that separates purposeful suspension upgrades from basic replacements. The 200 lbs/in spring rate sits in the middle of the performance spectrum—stiff enough to reduce body roll and improve cornering response on the 2005–2014 Mustang platform, yet compliant enough for daily driving without excessive harshness. QA1's aluminum construction minimizes unsprung weight compared to steel alternatives, improving suspension response and reducing tire wear during spirited driving. The black anodized finish resists corrosion and maintains appearance through multiple seasons of use.
This strut kit targets Mustang enthusiasts upgrading from OEM suspension or moving beyond basic coilover systems. Buyers seeking tunable damping without full chassis-swap complexity will find value in the per-corner adjustment capability. The kit is compatible with 2005–2014 Mustang front axles and pairs with both stock and lowered ride heights depending on spring preload setup.
QA1 strut assemblies are commonly specified in street-performance and autocross builds where suspension tuning translates directly to lap time. The Proma Star design is recognized for reliable damper action across repeated duty cycles, making this kit suitable for track days as well as weekend cruising.
This is a pair (two units—one per side). Installation requires suspension geometry knowledge or professional alignment. Verify fitment against your specific Mustang year and any aftermarket chassis modifications before purchase.
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