QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 500lbs/in - Aluminum
QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 500lbs/in - Aluminum
Description
Take your classic Mustang’s suspension to the next level with QA1’s Front Pro Coil System. Purpose-built for 1967–1973 Mustangs, this kit combines modern adjustability with heavy-duty spring rates to handle the additional weight of ’67-‘73 Mustangs. Featuring 10” coil springs with a 500 lb./in. rate, it’s the ideal solution for drivers who demand sharper handling, firmer ride control, and the durability to manage higher horsepower and cornering loads. FULLY TUNABLE WITH DOUBLE ADJUSTABILITY QA1’s double adjustable shocks give you independent control of rebound and compression, each with 18 clicks of adjustment. This lets you fine-tune suspension behavior for daily comfort, aggressive street driving, or even track use - dialing in the perfect balance of ride and performance. SPRINGS OPTIMIZED FOR ’67–’73 MODELS The included 500 lb./in. springs are tailored specifically for the added front-end weight of 1967–1973 Mustangs with big block engines. They deliver firmer control while maintaining drivability, ensuring your Mustang feels planted and predictable at all times. RIDE HEIGHT FLEXIBILITY Easily adjust ride height from factory stock height down to 2” lower. Whether you prefer a stock appearance or a lowered stance, QA1 coilovers let you fine-tune your setup without compromising geometry or handling. BOLT-IN INSTALLATION Built as a true bolt-in system, QA1 Pro Coils require no welding or cutting. With powder-coated springs, premium hardware, and straightforward installation, you’ll be back on the road quickly with a suspension that’s built to last.
Product Overview
QA1 Pro Coil Systems for 1964-1973 Mustangs are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match, and you are on your way. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Adjustable Pro Coil System Features:, Available in independent compression and rebound double adjustable, simultaneous compression and rebound single adjustable, or drag "R" Series adjustable, Lightweight Billet Aluminum Coil-Over Shocks, High Travel Springs, Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Made in the USA, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs
Features and Benefits
- Lightweight Billet Aluminum Coil-Over Shocks
- Made in the USA
- Easy, bolt-In Installation
- Ride Height Adjustable
- 100% Dyno Tested and Serialized
- Serviceable and Rebuildable by QA1 Authorized Service Centers
Product Details
| Active or Passive Suspension: | Passive |
|---|---|
| Adjustable Compression: | Yes |
| Adjustable Rebound: | Yes |
| Adjustable Ride Height: | Yes |
| Assembled: | No |
| Brand: | QA1 |
| Description: | QA1 67-73 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 500lbs/in - Aluminum |
| Grade Type: | Performance |
| Internal Construction Type: | Dual Tube |
| Manufacturer Part Number: | MD402-10500C |
| Part Number: | qapMD402-10500C |
| Prop 65 - Short Label: | WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov |
| Prop 65 Yes/No: | Yes |
| Remote Reservoir: | No |
| Spring Color: | Silver |
| Spring Material: | High Tensile Chrome Silicon |
| Title: | QA1 Pro Coil Shock Kit MD402-10500C |
| UPC: | 806990158697 |
Part Type
Coilover Set
Features
- Application-specific fit for 1967–1973 Ford Mustangs
- Bolt-in installation - no welding required
- Compatible with QA1 tubular control arms and sway bars (available for 67-70 Mustangs only)
- Double adjustable shocks: 18 rebound & 18 compression settings
- Durable powder-coated springs and premium hardware
- Includes 10” coil springs with a 500 lb./in. spring rate, tuned for heavier ’67–’73 models
- Ride height adjustable: factory to –2”
Specifications
- Product Attributes - Brand
- QA1
- Product Attributes - Manufacturer's Part Number
- MD402-10500C
- Product Attributes - Part Type
- Coilover Kits
- Product Attributes - Product Line
- QA1 Pro Coilover Systems
- Product Attributes - UPC
- 806990158697
- Product Attributes - Coilover Kit Position
- Front
- Product Attributes - Adjustable Valving
- Yes
- Product Attributes - Number of Valving Selections
- 324
- Product Attributes - Shocks Included
- Yes
- Product Attributes - Internal Design
- Twin-tube
- Product Attributes - Coilover Springs Included
- Yes
- Product Attributes - Spring Rate (lbs./in.)
- 500 lbs./in.
- Product Attributes - Suspension Height Adjustment
- 0.0-2.0 in. lowered
- Product Attributes - Gas Charged
- No
- Product Attributes - Upper Mount
- Eyelet
- Product Attributes - Lower Mount
- Tie bar
- Product Attributes - Shock Body Material
- Aluminum
- Product Attributes - Shock Body Finish
- Silver
- Product Attributes - Bushing Material
- Polyurethane
- Product Attributes - Bushing Color
- Black
- Product Attributes - Spring Finish
- Gray/Silver
- Product Attributes - Crossmember Included
- No
- Product Attributes - Adjustable Mounting Bracket Included
- No
- Product Attributes - Hardware Included
- Yes
- Product Attributes - Welding Required
- No
- Product Attributes - Quantity
- Sold as a pair.
- Product Attributes - Notes
- Coilover shocks are double adjustable Mustang MD402 shocks. Springs are 10 in. tapered with a large diameter, flat upper end style 10HTBF500 springs.
Reference Information
| Brand Name/s | Qa1 |
|---|---|
| StreetFX SKU | qapMD402-10500C |
| SFX Item ID | 4094601 |
| Supplier Item Code | 4094601 |
| Manufacturer SKU | MD402-10500C |
| Manufacturer UPC | 806990158697 |
| Alternative References | qa1, QA1-MD402-10500C, 10in, 500lbs/in |
Brochures
Compatibility
| Application Data |
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