Fitment: This ACT Prolite flywheel 600220 fits 2003 - 2006 Nissan 350z and 2003 - 2006 Infiniti G35. Features: It's the lightest flywheel from ACT for these models, offering low inertia, great throttle response, and rapid acceleration. Ideal for road or rally racing, it has reduced street drivability. Designed for maximum strength, good heat tolerance, and rigidity. It's serviceable and can be resurfaced without buying extra parts. Specs: Flywheel weight is 13.3 lbs, tooth count is 124. The ACT flywheel is forged, CNC - machined, and dynamically computer - balanced for smooth high - RPM reliability. Recommended for race use. You'll feel a big improvement in engine response and acceleration, with mild to moderate gear rattle. What's Included: Just the Prolite Flywheel. FAQs: The ACT clutch works with both stock and quality aftermarket flywheels. When replacing, ensure the new flywheel meets the right specs. The flywheel step is crucial for clutch operation, check the manufacturer's specs. ACT XACT flywheels can be resurfaced like stock ones, use a good flywheel grinder and remove no more than 0.040” (1.02mm), and keep the proper flywheel step.
Using this ACT Prolite flywheel is straightforward. First, make sure it's the right fit for your 2003 - 2006 Nissan 350z or Infiniti G35. When installing, double - check all the specifications like the flywheel step to ensure the clutch works properly. Since it's recommended for race use, if you drive on the street, be aware that it has reduced drivability and there might be some gear rattle. For maintenance, you can resurface the flywheel when needed. Just use a flywheel grinder in good condition and remove as little material as possible, no more than 0.040” or 1.02mm. Always make sure to maintain the proper flywheel step during resurfacing, as an incorrect step can affect the clutch function. And when considering using an aftermarket flywheel with an ACT clutch, choose a good - quality one and ensure it meets all the necessary specifications.
