Competition Clutch ultra-lightweight steel flywheel for 2006–2013 Mazda Miata MZR applications is a one-piece 4140 forged steel unit machined to reduce mass and assist quicker engine revving. Recommended for forced-induction and track or rally use, the STU variant removes material to improve throttle response and is offered in weights varying by application to match intended clutch and driving requirements.
Competition Clutch 06-13 Mazda Miata MZR Ultra Lightweight Steel Flywheel