ACT XACT Streetlite Clutch Flywheel | Dodge Caliber SRT-4 (08-09) (601000)2008 2009 Dodge Caliber XACT Streetlite Flywheel by ACT 601000 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACTs Streetlite flywheels are preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.