QA1 64-66 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Aluminum
QA1 64-66 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Aluminum
Description
Unlock maximum performance and adjustability for your classic Mustang with QA1’s Pro Coil System. Designed specifically for 1964–1966 Mustangs, this double adjustable coilover kit gives you total control over ride quality, stance, and handling. Featuring 10” coil springs with a 450 lb./in. spring rate, this setup is perfect for aggressive street performance and track-style handling. COMPLETE TUNING CONTROL QA1 double adjustable shocks provide independent rebound and compression adjustment, with 18 clicks each. This lets you precisely tune how your Mustang responds to bumps, body roll, and cornering forces. Whether you’re dialing in settings for cruising, carving corners, or competition driving, you’ll have full suspension control at your fingertips. CUSTOMIZABLE RIDE HEIGHT Achieve the stance you want with ride height adjustment from factory stock height down to 2” lower. Perfect for lowering your Mustang for a more aggressive look or fine-tuning ride height to match wheels, tires, or handling preferences. EASY BOLT-IN INSTALLATION No cutting. No welding. The QA1 Pro Coil System bolts directly into place, making it a straightforward upgrade that delivers modern suspension performance without fabrication.
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 64-66 Ford Mustang Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Aluminum |
| Grade Type: | Performance |
| Internal Construction Type: | Dual Tube |
| Manufacturer Part Number: | MD401-10450C |
| Part Number: | qapMD401-10450C |
| 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 MD401-10450C |
| UPC: | 806990158659 |
Part Type
Coilover Set
Features
- Application-specific fit for 1964–1966 Ford Mustangs
- Direct bolt-in installation - no welding required
- Double adjustable shocks with 18 clicks each for rebound and compression
- Includes 10” coil springs with a 450 lb./in. spring rate
- Premium powder-coated springs and durable hardware
- Ride height adjustable: factory to –2”
- Works seamlessly with QA1 tubular control arms and sway bars
Specifications
- Product Attributes - Brand
- QA1
- Product Attributes - Manufacturer's Part Number
- MD401-10450C
- Product Attributes - Part Type
- Coilover Kits
- Product Attributes - Product Line
- QA1 Pro Coilover Systems
- Product Attributes - UPC
- 806990158659
- 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.)
- 450 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 MD401 shocks. Springs are 10 in. tapered with a large diameter, flat upper end style 10HTBF450 springs.
Reference Information
| Brand Name/s | Qa1 |
|---|---|
| StreetFX SKU | qapMD401-10450C |
| SFX Item ID | 4094598 |
| Supplier Item Code | 4094598 |
| Manufacturer SKU | MD401-10450C |
| Manufacturer UPC | 806990158659 |
| Alternative References | qa1, QA1-MD401-10450C, 10in, 450lbs/in |
Brochures
Compatibility
| Application Data |
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