-9%
QA1 front coil-over system for 1967-1973 Mustang full view
Close-up of double adjustable coil-over shock
400 lb/in springs detail
Click to zoom in

QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Aluminum

QA1
QAPMD402-10400C
806990158673
Coilovers
1 Units In Stock - Ships Next Business Day
$ 1,196.41 $ 1,079.95
$ 1,079.95

SKU: MD402-10400C   |   UPC: 806990158673

QA1 Pro Front Coil-Over System - Double Adjustable - 10" x 400 lb/in - Aluminum for 1967-1973 Ford Mustang

Bring modern suspension technology to your classic Mustang with the QA1 MD402-10400C Pro Front Coil-Over System. Designed specifically for 1967–1973 Mustangs, this double adjustable coilover kit delivers unmatched handling, ride quality, and stance control. Featuring 10” coil springs with a 400 lb./in. rate, it provides the ideal balance for performance street cars and restomod builds, giving you precision tuning for both comfort and control.

Key Features

  • Double Adjustable Shocks: 18 positions of independent rebound and 18 positions of compression adjustment (324 possible combinations)
  • 400 lb/in Spring Rate: Performance-oriented rate for excellent handling and support
  • 10" High-Travel Springs: Optimized length for lowered applications with great travel
  • Ride Height Adjustable: From stock height down to 2" lower for the perfect stance
  • Bolt-In Installation: Direct replacement no welding or cutting required
  • Lightweight Aluminum Shocks: Reduces unsprung weight for improved performance

Specifications

Specification Detail
Part Number MD402-10400C
Position Front
Shock Type Double Adjustable Aluminum Coil-Over
Spring Rate 400 lb/in
Spring Length 10"
Drop Range Stock to 2" Lower
Compatibility 1967-1973 Ford Mustang
Installation Bolt-On Direct Replacement
Country of Origin United States
Warranty Limited Lifetime (QA1)
Shipping Weight Approx. 35-45 lbs

What's Included

  • Pair of QA1 Double Adjustable Front Coil-Over Shocks
  • Pair of 10" x 400 lb/in Springs
  • All Necessary Mounting Brackets and Hardware
  • Detailed Installation Instructions

Product Notes

  • Designed specifically for 1967-1973 Ford Mustang (first generation)
  • Works with factory or QA1 tubular control arms
  • Professional installation and alignment recommended

Installation Notes

  • Estimated time: 4-6 hours, moderate difficulty
  • Bolt-on system using factory mounting points
  • Full front alignment required after installation

This Part Fits

Year Make Model Notes
1967 to 1973 Ford Mustang All Models

Why Choose QA1 Pro Front Coil-Over System?

  • Modern suspension performance for classic Mustangs
  • Full adjustability for the perfect ride height and handling
  • Premium QA1 quality with lifetime warranty confidence

Frequently Asked Questions

  • Q: Will this kit fit my 1970 Ford Mustang?
    A: Yes, MD402-10400C is a direct fit for all 1967-1973 Ford Mustang models.
  • Q: What spring rate is included?
    A: 400 lb/in stiffer rate ideal for performance and aggressive driving.
  • Q: Is an alignment required?
    A: Yes, a full front alignment is required after installation.
  • Q: What is the warranty?
    A: Covered by QA1’s limited lifetime warranty.

Shipping & Handling

  • Method: UPS / FedEx Ground (Oversize)
  • Availability: In stock ships same or next business day
  • Packaging: Secure protective packaging
  • Weight: Approx. 35-45 lbs

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Coilovers

Coilovers

Upgrade your vehicle with high-performance coilovers and coilover kits designed to improve handling, ride quality, and stance. We carry premium adjustable coilovers, suspension systems, and performance dampers for street, track, and off-road applications. Coilovers from Top Suspension Brands Shop industry-leading brands trusted by enthusiasts and professional builders, including FOX, Bilstein, ICON Vehicle Dynamics, QA1, Ridetech, Ohlins, Fabtech Dirt Logic, Silver's NEOMAX, and H&R. These brands are engineered for performance handling, durability, and precision suspension tuning across a wide range of vehicles. Performance Coilover Kits & Adjustable Suspension Our collection includes adjustable coilover kits with ride height and damping adjustment, front and rear coilover systems, coilover conversion kits, performance shocks and dampers, lift coilovers for trucks and SUVs, and lowering coilovers for street and track cars. Whether you're dialing in a track build, lowering yo...

View Coilovers Products
Coilovers & Components

Coilovers & Components

Browse premium coilovers and suspension components including coilover kits, coilover shocks, coilover springs, lowering springs, shock hardware, suspension boots, dampening adjustment components, and performance suspension systems for trucks, SUVs, muscle cars, off-road builds, and street performance vehicles. Shop Top Coilover & Suspension Brands Find trusted suspension brands including Silver's NEOMAX, FOX, QA1, Eibach, ICON Vehicle Dynamics, Bilstein, KW Suspension, Ohlins, Ridetech, Fabtech, and ARB/OME. These brands are known for adjustable coilovers, performance shocks, lift and lowering suspension systems, coilover springs, and suspension hardware for daily driving, off-road use, drag racing, and track-focused builds. Coilovers & Components for Street, Track & Off-Road This collection includes complete coilover kits, front and rear coilovers, coilover springs, shock boots and protective covers, dampening adjustment extenders, suspension hardware kits, lowering spr...

View Coilovers & Components Products
Ford Mustang Parts & Accessories

Ford Mustang Parts & Accessories

Shop Ford Mustang parts and accessories at Black Ops Auto Works for premium aftermarket performance parts, suspension upgrades, brake kits, exhaust systems, cold air intakes, carbon fiber body parts, lighting upgrades, fuel system components, and styling accessories. Whether you drive a classic Ford Mustang, SN95, New Edge, S197, S550, S650, Mustang EcoBoost, Mustang GT, Mach 1, Shelby GT350, Shelby GT500, or Dark Horse, this collection is built for enthusiasts who want better power, handling, braking, airflow, drivability, and aggressive styling. From daily-driven street cars to drag builds, track cars, and show cars, our selection of Ford Mustang aftermarket parts is curated for fitment, quality, and performance. Shop Ford Mustang Performance Parts by Category Browse Mustang performance parts across popular upgrade categories, including: Ford Mustang cold air intakes and intake parts Ford Mustang brake pads, brake rotors, and brake kits Ford Mustang exhaust systems, cat-back exha...

View Ford Mustang Parts & Accessories Products
QA1

QA1

Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...

View QA1 Products
Suspension

Suspension

Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...

View Suspension Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×