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QA1 MS303-08600 is a front Pro Coil system for the 1974-1978 Ford Mustang II. It pairs single-adjustable shocks with eight-inch, 600-pound-per-inch springs and a 7/16-inch lower bushing for ride-height and damping adjustment. Confirm vehicle weight, lower mount, control arms, spring rate, and exact part number.
Key Features
Fitment
Fits 1974-1978 Ford Mustang II applications using the supported lower mount and front suspension configuration.
Specifications
| Brand | QA1 |
|---|---|
| Manufacturer Part Number | MS303-08600 |
| Position | Front |
| Adjustment | Single adjustable |
| Spring Length | 8 inches |
| Spring Rate | 600 pounds per inch |
| Lower Bushing | 7/16 inch |
| UPC or GTIN | 806990061669 |
What's Included
Two QA1 front coil-over shock and spring assemblies with manufacturer-supplied mounting hardware.
About QA1
QA1 manufactures automotive performance and replacement components. Match the exact manufacturer part number and published application details before installation.
Related QA1 Products
Frequently Asked Questions
Are both front assemblies included?
Yes. This Pro Coil system is supplied as a front pair.
What spring rate is included?
The included springs are rated at 600 pounds per inch.
Is this system double adjustable?
No. MS303-08600 uses single-adjustable shocks.
Installation Instructions
Installation should be completed by a qualified technician using the current manufacturer instructions. Verify the vehicle or system application, inspect every supplied component, follow the specified fastener and torque procedures, check clearances and routing, and confirm safe operation before driving.
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