05-14 Ford Mustang QA1 HD05-12300 Proma Star Coilover Strut Kit - Double Adjust, Handling

The QA1 HD05-12300 Proma Star Coilover Strut Kit enhances handling and performance for 2005-2014 Mustangs. With adjustable ride height, double-adjustable valving, and an inverted strut design, it offers superior traction and smooth handling for both street and track. Easy bolt-in installation and durable, lightweight components ensure optimal performance.

Top Features

  • Inverted strut design for improved handling
  • Adjustable ride height (0" to 2" lower)
  • Double-adjustable coilovers for custom tuning
  • Tuned spring rates for street and track use
  • Lightweight, anodized aluminum caster camber plates
  • Easy, bolt-in installation
  • Proudly made in the USA

Vehicle Fitment

  • Year Range: 2005-2014
  • Make: Ford
  • Model: Mustang
  • Engine: Compatible with various engine options
Vendor: QA1
SKU: QAPHD05-12300
Availability: (Special Order Item)
$ 1,682.95 USD
On-Sale $ 1,682.95 USD
Normally $ 1,864.43 USD
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UPC: 806990174185
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05-14 Ford Mustang QA1 HD05-12300 Proma Star Coilover Strut Kit - Double Adjust, Handling

The QA1 HD05-12300 Proma Star Coilover Strut Kit offers a superior suspension upgrade for 2005-2014 Ford Mustangs, ideal for both street and race applications. Featuring custom-tailored spring rates, double-adjustable struts, and an inverted strut design, this kit enhances ride quality, handling, and performance. Whether you’re seeking the perfect stance or fine-tuning your car for track days, the Proma Star strut kit provides the versatility and precision you need. With easy installation and durable components, this kit is a must-have for Mustang owners who demand optimal performance from their suspension.

Key Features

  • Inverted Strut Design: Provides improved handling and stability, ensuring smoother performance during cornering and braking.
  • Adjustable Ride Height: 0" to 2" lower than stock to customize your Mustang’s stance for street or track use.
  • Double-Adjustable Coil-Overs: Independent compression and rebound adjustment for fine-tuned performance.
  • Tuned Spring Rates: Custom spring rates for street, drag, or handling applications, delivering the best ride and performance.
  • Lightweight Caster Camber Plates: Anodized aluminum plates for precise suspension geometry adjustment and reduced weight.
  • Easy, Bolt-In Installation: Quick and simple installation, no cutting or modifications required.
  • Made in the USA: Proudly manufactured in Lakeville, Minnesota.

Benefits

  • Superior Handling and Performance: Fine-tune your Mustang’s suspension for track days or everyday street use with adjustable settings.
  • Enhanced Ride Quality: Custom spring rates and ride height adjustability provide the perfect balance between comfort and performance.
  • Improved Traction: The inverted strut design and precision adjustments lead to better traction and cornering.
  • Durability: High-quality anodized aluminum components ensure long-lasting performance and resistance to wear and corrosion.
  • Easy Installation: The bolt-in design simplifies installation, saving time and effort.

Product Specifications

  • Spring Rate: 300lb/in.
  • Springs Included: Yes
  • Strut Valving: Double Adjustable (compression and rebound)
  • Vehicle Position: Front
  • Included Components: One pair of struts, springs, caster camber plates, and related hardware
  • Material: Lightweight aluminum with anodized finish for corrosion resistance

Install Difficulty Level

Installing the QA1 HD05-12300 Proma Star Coilover Strut Kit is straightforward and requires minimal mechanical expertise. The kit is designed for a bolt-in installation, and with basic tools, you can expect to complete the installation in about 2-3 hours.

Vehicle Fitment

  • Year Range: 2005-2014
  • Make: Ford
  • Model: Mustang
  • Engine: Compatible with various engine options 

For any questions about this product or to report inaccuracies in the product description, please contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
  • MPT tuning charges and license fees are non-refundable. The sale is final once MPT has sent the tune file via email, which applies to both new tune purchases and tune updates.

Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
  • Vehicle programmers/tuners that have loaded a tune onto a vehicle cannot be returned.

Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
  • Returns postmarked between 16 and 30 days will be refunded the purchase price minus a 25% restocking fee and the shipping cost.
  • After 30 days, all sales are final.

Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model Submodel
2005-2014 Ford Mustang Base
2012-2013 Ford Mustang Boss 302
2008-2009 Ford Mustang Bullitt
2005-2014 Ford Mustang GT
2007-2008 Ford Mustang Shelby GT
2007-2014 Ford Mustang Shelby GT500
2008-2009 Ford Mustang Shelby GT500KR

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