ACT Prolite Flywheel - 07-13 Mazda Mazdaspeed3 2.3 Turbo, Mazdaspeed6 - 600521 Nissan Skyline R33 the small amount of compliance

the small amount of compliance the rubber adds equates to a very noticeable "spongy" feeling in the shift knob during shifts

ZM2-HDG4 kit features ACT's most popular Heavy Duty pressure plate

TS3-XTR4 kit features an Xtreme pressure plate for the most demanding driver

2000-2005 Mitsubishi Eclipse 3

ACT Prolite Flywheel - 07-13 Mazda Mazdaspeed3 2.3 Turbo, Mazdaspeed6 - 600521 Nissan Skyline R33 the small amount of compliance600521 is a Prolite flywheel, which is ACTs lighter flywheel offering with lowest inertia. Prolite flywheels are designed for best throttle response and acceleration. Prolite flywheels are preferred for road racing or rally racing, and have reduced drivability. Materials are properly distributed for maximum strength, good heat tolerance and rigidity. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.