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05-14 Ford Mustang QA1 TS708 Stocker Star Shock, Single Adjustable, 13-1/8in. to 20-1/2in., Stud/Bushing05-14 Ford Mustang QA1 TS708 Stocker Star Shock, Single Adjustable, 13-1/8in. to 20-1/2in., Stud/Bushing

05-14 Ford Mustang QA1 TS708 Stocker Star Shock, Single Adjustable, 13-1/8in. to 20-1/2in., Stud/Bushing

The QA1 TS708 Stocker Star Shock provides adjustable ride comfort and performance for 2005-2014 Ford Mustang owners. With a simple turn of the dial, achieve a perfect balance between comfort and aggressive handling. Easy bolt-in installation and durable construction make it a great upgrade for your Mustang. Top Features Single adjustable with 18-position knob Ideal for daily driving or performance handling Easy bolt-in installation Made in the USA Limited Lifetime Warranty Vehicle Fitment 2005-2014 Ford Mustang Compatible with V6, V8, and GT models
$ 234.95 USD
On-Sale $ 234.95 USD
Normally $ 224.84 USD
Save $ -10.11
15–26 Ford F-150 2WD QA1 52098 Traction Bar Kit15–26 Ford F-150 2WD QA1 52098 Traction Bar Kit

15–26 Ford F-150 2WD QA1 52098 Traction Bar Kit

QA1’s 52098 Traction Bar Kit improves traction and eliminates wheel hop in lowered 2015–2026 Ford F-150 trucks. Engineered for street performance, it controls axle movement while maintaining ride comfort, articulation, and ground clearance. Adjustable preload allows fine-tuning for power, delivering consistent launches, enhanced stability, and a clean, factory-style installation. Top Features Over-the-leaf design preserves ground clearance Reduces wheel hop and improves traction Built-in preload adjusters for tuning performance Integrated front hanger with rocker mount Upper axle saddle eliminates extra U-bolts Bolt-on installation with included hardware Maintains smooth ride quality and articulation Vehicle Fitment 2015–2026 Ford F-150 2WD (with QA1 lowering kits) Fits lowered street performance applications Not compatible with PowerBoost models Not compatible with CCD-equipped trucks
$ 799.95 USD
On-Sale $ 799.95 USD
Normally $ 886.21 USD
Save $ 86.26
Photo - PrimaryPhoto - Close Up

21-25 Ford F-150 4WD QA1 LK02-FF04 Dual Adjustable Lowering Kit (3.5in-5.5in)

Upgrade your 2021–2025 Ford F‑150 4WD with QA1’s precision-engineered lowering kit. Achieve a customizable stance and superior ride control with double-adjustable shocks, heavy-duty components, and easy bolt-in installation—all backed by a lifetime warranty and built in the USA. Top Features Front drop: 1–3" (stock spindles) or 3–5" (drop spindles) Rear drop: 3.5–5.5" with ½" increments (+1.5" for 4WD) Double-adjustable shocks for rebound/compression tuning Heavy-duty Pro Coil system with polyurethane bushings Flip brackets, shackles, hangers for rear drop Fully bolt-in design—no cutting or welding Made in the USA Lifetime warranty on shocks Vehicle Fitment Fits 2021–2025 Ford F-150 4WD models only Not compatible with PowerBoost models Not compatible with CCD (Continuously Controlled Damping) suspension
$ 2,619.95 USD
On-Sale $ 2,619.95 USD
Normally $ 2,764.00 USD
Save $ 144.05
Photo - PrimaryPhoto - Close Up

21-25 Ford F-150 2WD QA1 LK02-FF03 Dual Adjustable Lowering Kit (3.5in-5.5in)

Upgrade your F-150’s stance and handling with this premium dual-adjustable lowering kit. Engineered for precise ride height control, improved comfort, and enhanced performance—perfect for street or track. Built tough with bolt-in ease and backed by a lifetime warranty. Top Features 3.5"–5.5" rear drop adjustability (½" increments) 3"–5" front drop with drop spindles (1"–3" with stock spindles) Dual-adjustable shocks for rebound & compression tuning Heavy-duty construction with 1" chromoly T-bar & polyurethane bushings Bolt-in design—no welding or cutting required Made in the USA Lifetime warranty (registration required) Vehicle Fitment 2021–2025 Ford F-150 (2WD only) Fits models with or without aftermarket drop spindles Not compatible with PowerBoost or CCD suspension systems
$ 2,619.95 USD
On-Sale $ 2,619.95 USD
Normally $ 2,764.00 USD
Save $ 144.05
Photo - PrimaryPhoto - Close Up

21-25 Ford F-150 4WD QA1 LK01-FF04 Single Adjustable Lowering Kit (3.5in-5.5in)

Lower your 2021–2025 Ford F-150 4WD with this premium QA1 kit featuring single-adjustable coil-overs and a heavy-duty rear drop system. Achieve a customized stance, enhanced ride quality, and bolt-in installation—all backed by a lifetime warranty. Top Features Adjustable front Pro Coil coil-overs Rear drop: 3.5"–5.5" with ½" increments Built for heavy-duty use with polyurethane bushings Single-adjustable shock damping Direct bolt-in installation Made in the USA Lifetime shock warranty Vehicle Fitment 2021–2025 Ford F-150 4WD only Not compatible with PowerBoost or CCD suspension
$ 2,191.95 USD
On-Sale $ 2,191.95 USD
Normally $ 2,312.00 USD
Save $ 120.05
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FUN Facts / What MAKES MPT DIFFERENT?

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Over 15 Years specializing in Tuning, getting the most power, safely from vehicles all over the world. Ranging from completely stock to heavily modified vehicles. MPT knows performance.
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If your order is over $149, then most likely it is going to ship for free. Obviously some exclusions apply, but for the most part we get it to you free and fast. Processing orders on business days as soon as they come in.
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26 and growing is the number of Fords owned by MPT employees. We own, drive and tune our own vehicles just like you. Our company mission statement is to treat customers how we want to be treated. It's an easy win for both of us.
In-House Dyno

We are a performance shop, selling parts and accessories, but we are also a dyno shop. We develop our tunes in-house on our dyno. Making sure everything is perfect before we sell anything to our customers.
We own, drive and tune our own vehicles. Some tuners out there don't have a shop, don't own a dyno, don't pick up the phone and don't even drive Ford Vehicles. Ask yourself how they test and develop tunes.
My name is Mike Thornhill, I'm the owner here at MPT. We've been tuning Fords for more than 15 years now. This is what we do, day in and day out. Tuning and performance is our specialty. I know some people might be new to tuning and may even think it's snake oil. I can tell you after one minute of driving, you will know the MPT difference is very real. I encourage you to read reviews, browse this site and don't hesitate to contact us for any questions you may have. Thanks for checking us out. // Mike @ MPT

QA1 – High-Performance Suspension Solutions

QA1, also known by its acronym, is a leading name in high-performance suspension products, with a reputation for crafting cutting-edge components for cars, trucks, and racing vehicles. Known for delivering premium shocks, struts, coil-overs, and suspension systems, QA1 is highly regarded in the automotive industry. With a focus on precision engineering and innovation, QA1 provides a wide range of solutions tailored to enthusiasts, racers, and performance vehicle owners. QA1’s products are designed to enhance handling, stability, and control, whether for street, track, or off-road applications.

QA1 is recognized for its dedication to quality and performance, making it a top choice for automotive enthusiasts seeking reliable, durable, and effective suspension solutions. The brand offers a diverse range of products, including fully adjustable coil-over kits, performance shocks, sway bars, and control arms, engineered for both street and racing applications. QA1 components are designed to improve handling, reduce body roll, and provide a smoother ride, all while maintaining durability even under extreme conditions. Whether you're a casual driver or a competitive racer, QA1's extensive catalog ensures there's a suspension product tailored to your specific needs.

For customers interested in upgrading their vehicle’s performance, QA1 offers the perfect combination of technology and innovation. Their suspension products provide improved handling, better ride quality, and increased vehicle control. QA1's reputation for reliability ensures that drivers can confidently push their vehicles to their limits, knowing that their suspension system is built to perform at the highest level. Whether building a custom project, improving ride comfort, or optimizing for racing, QA1’s products deliver the performance needed to enhance driving experiences and vehicle performance.

If you have any questions about QA1 or are looking for a product that isn’t featured, MPT Performance experts are available to assist. Reach out via email for personalized advice or assistance in locating specific QA1 products.