ACT XACT Streetlite Flywheel W/Counterweight 03: Mazda RX8 04-11

600145-03 is a flywheel kit for Mazda RX-8 applications and comes complete with an ACT counterweight. The flywheel counterweight is required when installing the XACT flywheel on Mazda RX-8 rotary applications. ACT XACT Streetlite flywheels are considerably lighter than stock and are the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. XACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.FeelNoticeably improved engine response and acceleration, OE to mild gear rattleLifeHeat-treated forging for strength and toughness, induction-hardened ring gears for maximum lifeQualityAssures correct external balance for manual shift engine using OE front counterweightRecommended UseRecommended for street and race useACT DifferenceForged, CNC machined and dynamically computer balanced for smooth high RPM reliability