NC MX-5 06-15 Part Number updates for 2021
#29921 from Josh Smith · Rule change · TB 21-02 (2021-02 Fastrack)
In T4, Spec Lines, Mazda MX-5 / Club Model (06-15), change Notes as follows:
"The following items must remain stock OEM unmodified, unless alternate part numbers are permitted below: transmission,
differential, and LSD. Factory bolt-in roll bar/cross member may be removed to facilitate roll cage installation. MSR option
permitted. Suspension package permitted with a 100 lbs. weight increase that includes the following parts: front spring mount
PT#-0000-04-5259, front springs #0000-04-9700-08, rear spring mount PT#-0000-04-5258, rear springs #0000-04- 9400-07,
helper springs #0000-04-HLPR-EB (optional), Swaybar kit – PT#-0000-04-5306-EB that includes (front sway bar kit PT#0000-04-
5306-FT, rear sway bar kit PT#-0000-04-5306-RR) front end links #0000-04-5499, rear end links #0000- 04-5498, offset front
camber bushing PT#-0000-04-5407-NC. Mazda Motorsports cold air intake part #0000-06-5150-KT allowed. Mazda Motorsport
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RX8 rear Hub Conversion kit part number 0000-04-5811-KT allowed, RX8 front hubs PT# F189-33-04X allowed. The SM5
suspension (only) is allowed with a 100 lbs. weight increase. Non-OEM limited slip differential allowed with +50 lbs. weight
penalty. Allow Mazda header part numbers 0000-06-5407 or 0000-06-5407-NC. Any OEM or aftermarket hardtop is permitted
that retains the OEM roof silhouette, including Mazda hardtop and part #0000-07-5901-CC. Aftermarket power steering
reservoir is allowed."