QA1 Pro Coil Shock Kit MS402-10450C

Upgrade your 1967–1973 Mustang’s suspension with QA1’s Pro Coil System. This single adjustable coilover kit combines modern handling, ride quality, and stance adjustability in an easy bolt-in package. Featuring 10” coil springs with a 450 lb./in. rate, it’s the firmest single adjustable option available, delivering sharper cornering and reduced body roll for aggressive street performance and restomod builds. MODERN HANDLING & ADJUSTABILITY With QA1’s single adjustable coilovers, you can fine-tune rebound and compression together with 18 settings of adjustment. One knob makes it simple to soften the ride for cruising or firm it up for maximum handling response. RIDE HEIGHT FLEXIBILITY This system allows you to adjust ride height from factory stock height down to 2” lower, giving you flexibility to fine-tune stance, handling balance, and wheel/tire clearance while maintaining proper geometry. EASY BOLT-IN INSTALLATION No cutting or welding required. QA1 designed this kit as a direct bolt-in upgrade for classic Mustangs, making it a DIY-friendly option that delivers modern suspension performance with minimal effort.

• Application-specific fit for 1967–1973 Ford Mustangs
• Single adjustable shocks with 18 settings of rebound/compression control
• Includes 10” coil springs with a 450 lb./in. spring rate
• Ride height adjustable: factory to –2”
• Direct bolt-in installation — no welding required
• Durable powder-coated springs and premium hardware
• Works seamlessly with QA1 tubular control arms and sway bars

Attributes:

• Brand Name: QA1
• GTIN: 00806990158536
• Active or Passive Suspension: Passive
• Adjustable Compression: Yes
• Adjustable Rebound: Yes
• Adjustable Ride Height: Yes
• Assembled: No
• Grade Type: Performance
• Internal Construction Type: Dual Tube
• Manufacturer Part Number: MS402-10450C
• Remote Reservoir: No
• Spring Color: Silver
• Spring Material: High Tensile Chrome Silicon
• UPC: 806990158536

Extended Information:

• Country of Origin: US
• Emissions : Emissions Compliance Exempt

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 29.125 x 9.125 x 14.125 inches
• Weight: 24.8 POUNDS

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