ACT Streetlite flywheel for 2016–2017 Mazda MX-5 (ND) is a lightweight, lower-inertia replacement that sharpens throttle response and acceleration compared with stock. ACT distributes material for strength, heat tolerance and rigidity, making the Streetlite the brand’s most durable lightened option. It’s serviceable and can be resurfaced, preferred for street or drag use and backed by a one-year warranty.
ACT 16-17 Mazda MX-5 Miata ND XACT Flywheel Streetlite