1990 to 1993 1.6L and 1994 to 2005 1.8L Mazda Miatas are aprroved by the SCCA for regional racing in all Divisions. The cars use Bilstein shocks with adjustable coil-over suspension, Eibach springs and sway bars. Class rules call for steel braided brake lines. Toyo, Kumho and now Hankook tires are in use in the various regions. Exact rules for the various regions:
SCCA Spec Miata Rules & Specifications
http://cms.scca.com/documents/Club Forms/2010 Tech Forms/sm-jan.pdf
SCCA Spec Miata Rules & Specifications
http://cms.scca.com/documents/Club Forms/2010 Tech Forms/sm-jan.pdf
NASA Spec Miata Rules & Specifications
http://www.nasaproracing.com/rules/spec_miata_rules.pdf
http://www.nasaproracing.com/rules/spec_miata_rules.pdf
NASA Showroom Spec Miata Rules & Specifications
http://www.nasaproracing.com/rules/showroom_spec_miata_rules.pdf
http://www.nasaproracing.com/rules/showroom_spec_miata_rules.pdf
