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Products available for 1990-1997 Miatas
using KYB AGX/GR2 or GAB
FCM bump stops and dust boots for KYB/GABs

High-quality material often superior to original equipment stops
Maximize suspension travel and ride comfort

Sold in sets of (4)

FCM bump stops

Bump stops -

FCM shock mounts with MCU bushings for KYB/GAB

Now approved for the SCCA Spec Miata community race series!
Maximize suspension travel, reduce harshness, increase grip

Sold in sets of (4), also available without shock mounts

  • Step 1 - Choose bump stop type (Application guide)
  • Step 2 - Purchase new boots if needed (we recommend Summit Racing - Pro Comp p/n 12127 black, 12128 red).
  • Step 3 - Purchase shock mount kit from our distributor Good-Win Racing
  • NOTE: FCM mounts reduce ride height about 1/2". Add our custom risers, if no lowering is desired
FCM NB-based shock mount kit with new MCU bushings

Bump stops -

FCM 1/2" 'riser' for 99-05 (NB) mounts

Made from high-density Shore 95A urethane, these spacers will prevent any lowering when using NB-style mounts.
Gluing is NOT required
Available through 5X Racing.
FCM MCU bushings upgrade for FCM mounts

Please review our policies prior to your purchase

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