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#39802 ND MX-5 Spec Line Rewrite Request

From Josh Smith · T4 · Rule change

ND MX-5 Spec Line Rewrite Request

#39802 from Josh Smith · Rule change · TB 26-03 (2026-03 Fastrack)

In T4 Spec Lines, Mazda MX5 Miata/Club/ RF (19-24), change as follows:
Weight: "2750 2650"
Notes: "Factory bolt-in roll bar/ cross member may be removed to facilitate roll cage installation. The following item(s) must
remain stock: transmission differential unless specified below. Retractable hardtop option permitted but must be disabled from
moving action and positively fastened. Any OEM or aftermarket hardtop is permitted that retains the OEM roof silhouette,
including Mazda hardtop part #0000-07-5902-ND. 29mm (f) 16mm (r) sway bars allowed. 3rd and 4th gear may be replaced with
the following parts- (0000-02- 5803-02, 0000-02-5803-01, 0000-02-5804-02, 0000-02-5804-01). Suspension package permitted
with a 100 lbs. weight increase that includes the following parts: front springs #0000-04-9700-08, s Suspension

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Permitted: Springs up to 500lb front and 300lb rear allowed. 29mm (f) 16mm (r) sway bars allowed. Mazda tower brace 0000-
04-5626 allowed. Mazda header 0000-06-5410 allowed. Gear kit Kit PT#- 0000-02-6100. 3rd and 4th gear may be replaced with
the following parts- (0000-02- 5803-02, 0000-02-5803-01, 0000-02-5804-02, 0000-02-5804-01). OEM Club Package Brembo
calipers permitted. 2016-2018 chassis/body permitted."
In T4 Spec Lines, Mazda MX-5 Miata/ Club (16-18), change as follows:
Weight: "2575 2550"
Notes: “Factory bolt-in roll bar/ cross member may be removed to facilitate roll cage installation. Retractable hardtop option
permitted but must be disabled from moving action and positively fastened. Any OEM or aftermarket hardtop is permitted that
retains the OEM roof silhouette, including Mazda hardtop part #0000-07-5902-ND 29mm (f) 16mm (r) sway bars allowed. Up to
500lb front and 300lb rear springs allowed. Mazda Motorsports Header part #0000-06-5410 allowed. Mazda tower brace 0000-
04-5626 allowed. 3rd and 4th gear may be replaced with the following parts- (0000-02-5803-02, 0000-02-5803-01, 0000-02-
5804-02, 0000-02-5804- 01). Gear kit Kit PT#- 0000-02-6100 Factory bolt-in roll bar/ cross member may be removed to facilitate
roll cage installation. The following item(s) must remain stock: transmission differential unless specified below. Retractable
hardtop option permitted but must be disabled from moving action and positively fastened. Any OEM or aftermarket hardtop is
permitted that retains the OEM roof silhouette, including Mazda hardtop part #0000-07-5902-ND. Suspension Permitted: Springs
up to 500lb front and 300lb rear allowed. 29mm (f) 16mm (r) sway bars allowed. Mazda tower brace 0000-04-5626 allowed.
Mazda header 0000-06-5410 allowed. Gear kit Kit PT#- 0000-02-6100. 3rd and 4th gear may be replaced with the following
parts- (0000-02- 5803-02, 0000-02-5803-01, 0000-02-5804-02, 0000-02-5804-01). OEM Club Package Brembo calipers
permitted."