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LANCASTER, CALIFORNIA, June 16, 2026 — Due to strong customer demand, Advanced Clutch Technology (ACT) has
expanded its Subaru WRX lineup with new SB12 Prolite Flywheel Clutch Kits for the 2005–2026 Subaru WRX. Based on
ACT’s proven SB11 clutch kit family, the new SB12 kits offer the same trusted clutch combinations while adding an ACT
Prolite Flywheel for enthusiasts seeking quicker engine response, improved acceleration, and reduced rotational inertia.
The SB12 kits feature ACT’s proven 240mm clutch design, delivering increased heat capacity, excellent drivability, and
enhanced durability for both street and track applications. Available in multiple Street and Race configurations, the SB12
lineup provides a complete clutch-and-flywheel package engineered to support increased power while maintaining the
performance, reliability, and drivability ACT customers have come to expect.
Expanded Coverage Includes: 2005 - 2026 Subaru WRX
LANCASTER, CALIFORNIA, June 5, 2026 — Advanced Clutch Technology (ACT) a leading innovator in highperformance drivetrain solutions, proudly announces the release of its latest performance street and race clutch kits.
Designed specifically for the 2019-2025 Mazda MX-5 Miata (ND2), these new kits deliver exceptional durability, improved
torque capacity, and enhanced drivability for enthusiasts seeking unmatched performance on the road and track.
Expanded Coverage Includes: 2019-2025 Mazda MX-5 Miata (ND2)