These Bilstein Shocks are the specified shocks included in the Mazdaspeed Spec Miata Suspension kits and what is required for Spec Miata competition in SCCA and NASA. 1999-2005 Spec Miatas must use the Bilstein shocks from the 1990-1997 Miata. If you are looking at the SCCA and NASA rules, this is what they say regarding shocks:
Reviewed by: Dustin10/08/2012 12:54AM
Product ownership: Less than 1 month
Purchased from: 5X Racing
Got a coilover setup using Bilstein HD shocks and they definitely deliver a smooth ride. Worth the money, especially if you plan on track events.
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