ACT Advanced Clutch Technology 600185 Streetlite Xact Flywheel, For Select SAAB and Subaru Vehicles Considerably lighter than a stock flywheel CAD designed, CNC machined, and computer balanced for quality and precision Trouble free, one-piece construction allows cost effective resurfacing and eliminates problems associated with multi-piece designs Material is properly distributed on the flywheel for strength, greater heat dissipation, and reduced inertia; integral ring gear is induction hardened for maximum gear life 90 day limited manufacturer's warranty