Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
For unmatched ride quality for the street and strip, turn to QA1's Mustang II Pro Coil Shock Systems. With double adjustable, single adjustable, drag "R" series adjustable and non-adjustable valving options, along with four spring rate options, you will find the right coil-over conversion system for you. These shocks are designed to give you the lower ride height and "in the weeds" stance you're looking for, and they 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. Used in drag racing, street performance, autocross, road racing and street rod applications. Each pro coil system includes (2) QA1 high performance shocks, (2) chrome plated, specially designed springs and all mounting hardware. Adjustable Mustang II Pro Coil Systems, Made in the U.S.A., Easy, Bolt-In Installation, Coil-Over, Ride Height Adjustable, Lightweight Aluminum, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factor or QA1 Authorized Service Centers, Sold in Pairs, , Steel Non-Adjustable Mustang II Pro Coil Systems, Easy, Bolt-In Installation, Coil-Over, Ride Height Adjustable, Polished and Chrome Plated Steel Shocks and Springs, 100% Dyno Tested and Serialized, Sold in Pairs. QA1 Item number MS303-08500
This part fits the following vehicles.
| Active Or Passive Suspension | Passive |
|---|---|
| Adjustable Compression | Yes |
| Adjustable Rebound | Yes |
| Adjustable Ride Height | Yes |
| Assembled | No |
| Country Of Origin | US |
| Grade Type | Performance |
| Internal Construction Type | Dual Tube |
| Manufacturer Part Number | MS303-08500 |
| Remote Reservoir | No |
| Spring Color | Silver |
| Spring Material | High Tensile Chrome Silicon |
| Street Legal | No |
| UPC | 806990061652 |
1 Year
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
CLOSE ✕
Subscribe to our newsletter to receive exclusive offers, product recommendations, expert tips and more.