Maximum Motorsports Mustang Coil-Over Kit, Front, Bilstein and MM Struts, 1979-04 MMCO-1

Maximum Motorsports
Availability: 5 in stock
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Coil-over conversion fits Bilstein and Maximum Motorsports front struts. Allows easy adjustment of ride height. Improves handling and ride quality by deleting the stock-location front springs in favor of springs mounted on the struts.

Coil-over Benefits

  • Ability to choose from a wide range of spring rates; from very soft to very stiff.
  • Improves handling (reduces body roll and quickens steering response) without degrading ride quality because the coil-over spring location improves the motion ratio, allowing a much higher wheel rate than is possible with a stock-location spring.
  • Improves ride quality by eliminating the largest source of friction in the front suspension, allowing easier suspension movement for reduced harshness.
  • Provides easy ride height adjustment.
  • Reduces unsprung weight, which improves handling and ride quality.
  • Allows easy spring swapping.
  • Ride height may be retained after swapping to springs with a different rate.
  • A wide range of spring rates are available. Contact us for help choosing rates for your specific Mustang and your driving situation.


  • Only fits Maximum Motorsports and Bilstein struts. This is not an ill-fitting universal kit.
  • Front bump and droop travel can be optimized for your Mustang by adjusting the placement of the strut shaft locating spacers between the upper spring perch and the camber plate.
  • Needle thrust bearing above the upper spring perch lowers friction, reducing steering effort.
  • O-rings seal the needle bearings to prevent contamination.
  • Threads are hard-anodized for longevity and easier adjustment of the spring perch.
  • No modification to the strut needed for installation.
  • Includes an assortment of spacers to ensure proper clearance under the strut tower.
  • Lower spring perch has Nylon-tipped stainless steel setscrews to prevent unwanted rotation.
  • Includes exclusive MM tool (MMT-9) to aid with chassis clearancing.
  • Includes dust boots.

Required for installation