ACT Prolite Flywheel - Part Number: 600521

The ACT Prolite Flywheel 600521 is a standout choice for performance enthusiasts looking to enhance their vehicle's responsiveness and acceleration. Designed with a focus on lightweight construction, this flywheel offers the lowest inertia available in ACT's lineup, making it a prime candidate for road racing and rally applications.

Crafted from high-quality chromoly steel, the 600521 flywheel is heat-treated to ensure strength and durability. Its one-piece construction minimizes the chances of failure, promoting efficient heat transfer from the clutch disc to maintain performance under pressure. Many customers have noted the noticeable improvement in throttle response, which can significantly elevate your driving experience.

Customer Feedback

One satisfied customer shared, "After installing the ACT 600521, I immediately felt the difference in acceleration. My car feels so much more alive!" Another user mentioned, "It's a bit noisy, but the performance gains are worth it. This flywheel really delivers on the track!"

Features:

• Dramatically improved engine response and acceleration, with mild to moderate gear rattle.
• Heat-treated forging for enhanced strength and toughness.
• Induction-hardened ring gears for maximum longevity.
• Recommended specifically for racing applications.
• Forged, CNC machined, and dynamically balanced for high RPM reliability.

Specifications:

• Material: Chromoly Steel
• SFI Rating: 1.1
• Replaceable Friction Surface: No
• Engine Balance: Internal
• Friction Surface Configuration: Flat
• Type: Prolite
• Mounting Hardware Included: No
• Grade Type: Performance
• Mounting Hole Quantity: 6
• Weight: 15.7 lbs
• Tooth Quantity: 112
• Friction Surface Diameter: 9.4 in

Important Notes:

• This flywheel must be used with an ACT pressure plate and disc (not included). Pressure plate bolts are included (M8-1.25 x 16mm).

Fitment:

This flywheel is confirmed to fit the following vehicles:

• Mazda 3 (2004-2013)
• Mazda 6 (2003-2008)

Installation Instructions:

For detailed installation instructions, please CLICK HERE.