Maximum Motorsports Competition Coil-over Kit, Yellow Series Shocks and MM Racing Upper Shock Mount (fits ONE shock) MMCO-21

Maximum Motorsports
SKU: MMCO-21
Availability: 5 in stock
$129.97
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Competition Coil-over Kit
Fits Yellow MMD-RC0xxxx Series shocks

Installs 1 Yellow Series MM Shock in a 1979-2004 solid-axle equipped Mustang along with a coil-over conversion and an MM Racing Upper Shock Mount. Attaches the MM shock to the MM Racing Upper Shock Mount installed on the chassis. Includes threaded coil-over sleeve and upper and lower spring perches for 1 shock. For coil-over applications and an MM Racing Upper Shock Mount only.

Notes
  • 1 kit fits 1 shock. 2 kits required per car.
  • Fits Yellow 2nd Gen MM shocks only. These shocks are yellow and have a shaft with a 5/8" major diameter.
  • Yellow Series part numbers have this format: MMD-RC0xxxx
  • The Yellow Series is the second generation of MM shocks. Includes Street-ST1, Sport-SP1, Race-RA1, and Race-RA3.
  • Requires MM Racing Upper Shock Mount.
  • For new installation use MMSM-12 Racing Upper Shock Mount.
  • Also fits previously installed Racing Upper Shock Mounts MMSM-1, MMSM-3, and MMSM-5. Some of the previously installed components of those kits will not be reused.
  • Does NOT include coil-over spring.
  • For coil-over applications only.

Requires shock-to-axle mounting brackets
Coil-over installation requires a robust lower shock-to-axle mounting bracket.

Spanner Wrench Tool
A spanner wrench is necessary to adjust ride height when using springs with a rate less than 250 lb/in. Springs with a higher rate rarely need a spanner wrench for adjustment.

Related products

Installs 1 Yellow Series 2nd Gen MM shock to an MM Racing Upper Shock Mount in a coil-over conversion:

  • Threaded sleeve
  • Upper spring perch
  • Lower spring perch with locking screw
  • Shaft retaining nut
  • Shock shaft spacers
  • Circlip to support threaded sleeve
  • Order 2-1/4" coil-over springs separately.
  • Fits 1 shock. 2 MMCO-21 kits required per car.