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5X Racing Urethane 2.5" Coilover Spring Isolator

Miata Spring Isolator

21034982 - FCM-ISOL-40250
THE ONLY LEGAL SPRING ISOLATOR FOR SPEC MIATA! There are imitation isolators being sold by another company without full disclosure that they are NOT the spec part, please be aware that using this part would be found illegal in a post-race teardown. Our isolators are stamped with an "FCM", marking them as the spec part in the rules.
  • Priced EACH
  • Works with Fat Cat Motorsports Shock Mount kits, Spec Miata Penske coilover, and any 2.5" race spring mounting into a 99-05 Miata OEM shock hat

  • Availability: Normally In-Stock
    Shipping: In-Stock Items ship USPS Priority unless noted otherwise
    Pricing: $15.00


    Our USA made custom 2.5" urethane coilover spring isolators are used in our coilover shock mount/bump stop kits and are designed to work with 1999-2005 NB Miata Shock Hats. They will NOT work with 1990-1997 NA Miata shock hats! They might also work with other shock hats, but we haven't tested them on anything besides the 1999-2005 Miata shock hats. The purpose of these is to center the coilover spring within the shock hat.

    Shipping Information

    • Item Requires Shipping
    • 0.5 lbs.
    • W1.0000” x H1.0000” x L1.0000”
    • In-Stock Items ship USPS Priority unless noted otherwise

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