QA1

HD Series Strut

HD605S
$715.98

Out of Stock

Estimated Delivery in 3-7 business days

HD605S
QA1

HD Series Strut

HD605S
$715.98

Out of Stock

Estimated Delivery in 3-7 business days
Authorized dealer
Free shipping on orders above $250 within the lower 48 United States
Brand new parts with warranty coverage
Free 30-day return and exchange on qualifying orders
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Part Numbers & Details
Package Contains 1 HD Series Strut
You'll be getting one strut.
QA1 1 Year Warranty
Manufacturer warrants that the products will be free from defects in material and workmanship for one year from date of sale to the original buyer.
Important Fitment Note
No top mounts included, All Necessary Hardware Included
Product Highlights
18 Clicks Of Individual Compression and Rebound Dampening Adjustment
Product Highlights
Ride Height Adjustable
Specifications
Part NumberItemQuantity
HD605SStrut1
Product Details

Whether you are road racing, cruising, drag racing, tearing up an oval, or a little bit of everything often times just having the ability to easily adjust ride height and spring rate is not enough to suit your individual needs. For those of us who need the most in adjustability for their application, QA1 offers their Double Adjustable coilovers. Featuring 18 clicks of individual Compression and Rebound adjustment, they offer a wide range of precise tunability for both directions of suspension movement.

Compatibility List
YearMakeModelDrivePosition
2014FordMustangRWD
2013FordMustangRWD
2012FordMustangRWD
2011FordMustangRWD
2010FordMustangRWD
2009FordMustangRWD
2008FordMustangRWD
2007FordMustangRWD
2006FordMustangRWD
2005FordMustangRWD

QA1 Manufacturer's Warranty

QA1 warrants that the products will be free from defects in material and workmanship for one year from date of sale to the original purchaser.

Shipping Info

Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.

  • Applies to items like axles, leaf springs, and long-travel kits.
  • No international shipping on freight items — only to U.S.-based freight forwarders.
  • Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.

Contact us for an international shipping quote.

Returns & Exchanges

30-Day Return Policy — Items must be new, unused, uninstalled, and include all original hardware.

  • No restocking fees for exchanges or gift card credit.
  • 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
  • Installed, damaged, or dirty parts cannot be returned.
  • Any returns missing hardware or miscellaneous items, the return will be denied and returned to the buyer at the buyer's expense.

Need help? Use Live Chat or Email Us anytime.

Start a Return or Exchange

Return Shipping Responsibility

CHECKOUT+ Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.

  • Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
  • Buyer mistake (wrong item ordered, fitment error, changed mind): Return shipping is the buyer's responsibility - unless CHECKOUT+ Package Protection has been purchased.

  • Under 50 lbs: Discounted carrier rate
  • Over 50 lbs: Discounted carrier rate + $25 oversize fee

Refunds

Refunds are issued within 5–7 business days of receiving your return.

  • Funds typically post to your account in 1–3 business days depending on your payment method.
  • There is a 10% restocking fee on all refunds. We don’t get our original shipping, labor, or transaction fees back — so the 10% restocking fee keeps the lights on.
  • You will receive an email once your refund is processed.

International Orders

  • All international orders are final sale.
  • Returns via freight forwarders only accepted if the product hasn’t left the U.S.
  • Import taxes, duties, and other possible import-related fees are the buyer’s responsibility and not included in our shipping charges.
  • We are not responsible for goods once exported outside the U.S.

Product Details

Whether you want to upgrade, add a reservoir, or find something more affordable, contact us with any questions!

Part Numbers & Details

View full product specifications

Close specs
Part Numbers & Details
Package Contains 1 HD Series Strut
You'll be getting one strut.
QA1 1 Year Warranty
Manufacturer warrants that the products will be free from defects in material and workmanship for one year from date of sale to the original buyer.
Important Fitment Note
No top mounts included, All Necessary Hardware Included
Product Highlights
18 Clicks Of Individual Compression and Rebound Dampening Adjustment
Product Highlights
Ride Height Adjustable
Specifications
Part NumberItemQuantity
HD605SStrut1
Product Details

Whether you are road racing, cruising, drag racing, tearing up an oval, or a little bit of everything often times just having the ability to easily adjust ride height and spring rate is not enough to suit your individual needs. For those of us who need the most in adjustability for their application, QA1 offers their Double Adjustable coilovers. Featuring 18 clicks of individual Compression and Rebound adjustment, they offer a wide range of precise tunability for both directions of suspension movement.

Compatibility List
YearMakeModelDrivePosition
2014FordMustangRWD
2013FordMustangRWD
2012FordMustangRWD
2011FordMustangRWD
2010FordMustangRWD
2009FordMustangRWD
2008FordMustangRWD
2007FordMustangRWD
2006FordMustangRWD
2005FordMustangRWD
Warranty

View warranty coverage

Close specs

QA1 Manufacturer's Warranty

QA1 warrants that the products will be free from defects in material and workmanship for one year from date of sale to the original purchaser.

Shipping & Returns

Free shipping within the lower 48 United States

Close specs

Shipping Info

Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.

  • Applies to items like axles, leaf springs, and long-travel kits.
  • No international shipping on freight items — only to U.S.-based freight forwarders.
  • Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.

Contact us for an international shipping quote.

Returns & Exchanges

30-Day Return Policy — Items must be new, unused, uninstalled, and include all original hardware.

  • No restocking fees for exchanges or gift card credit.
  • 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
  • Installed, damaged, or dirty parts cannot be returned.
  • Any returns missing hardware or miscellaneous items, the return will be denied and returned to the buyer at the buyer's expense.

Need help? Use Live Chat or Email Us anytime.

Start a Return or Exchange

Return Shipping Responsibility

CHECKOUT+ Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.

  • Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
  • Buyer mistake (wrong item ordered, fitment error, changed mind): Return shipping is the buyer's responsibility - unless CHECKOUT+ Package Protection has been purchased.

  • Under 50 lbs: Discounted carrier rate
  • Over 50 lbs: Discounted carrier rate + $25 oversize fee

Refunds

Refunds are issued within 5–7 business days of receiving your return.

  • Funds typically post to your account in 1–3 business days depending on your payment method.
  • There is a 10% restocking fee on all refunds. We don’t get our original shipping, labor, or transaction fees back — so the 10% restocking fee keeps the lights on.
  • You will receive an email once your refund is processed.

International Orders

  • All international orders are final sale.
  • Returns via freight forwarders only accepted if the product hasn’t left the U.S.
  • Import taxes, duties, and other possible import-related fees are the buyer’s responsibility and not included in our shipping charges.
  • We are not responsible for goods once exported outside the U.S.