ACT Prolite Flywheel Kit w/CW03 (Part #600140-03)

If you're a Mazda RX-7 or RX-8 owner looking to enhance your rotary engine's performance, the ACT Prolite Flywheel Kit w/CW03 (600140-03) is a must-have upgrade. This flywheel kit comes complete with an essential ACT counterweight, designed specifically for various RX-7 and RX-8 applications from 2003 to 2012. The counterweight is crucial for achieving optimal performance when installing the XACT flywheel on your rotary engine, ensuring that your setup is both balanced and efficient.

Why Choose the Prolite Flywheel?

The XACT Prolite flywheel is ACT's lightest offering, engineered for minimal inertia. This design translates to quicker throttle response and faster acceleration—perfect for road racing or rally applications. While it does reduce drivability slightly, the performance benefits are undeniable. The materials used in the Prolite flywheel are strategically distributed to provide maximum strength, exceptional heat tolerance, and rigidity, making it a reliable choice for high-performance driving.

Key Features

• Dramatically enhances engine response and acceleration; expect mild to moderate gear rattle.
• Constructed with heat-treated forging for superior strength and durability.
• Induction-hardened ring gears ensure maximum lifespan.
• Correct external balance for manual shift engines using the OE front counterweight.
• Forged, CNC machined, and dynamically balanced for reliable high RPM performance.

Technical Specifications

• Material: Chromoly Steel
• SFI Rating: 1.1
• Replaceable Friction Surface: No
• Engine Balance: External
• Friction Surface Configuration: Raised
• Type: Prolite
• Mounting Hardware Included: Yes
• Grade Type: Performance
• Mounting Hole Quantity: 6
• Weight: 15.8 lbs
• Tooth Quantity: 125
• Friction Surface Diameter: 9.4 in

Installation Notes

• This flywheel requires the included counterweight.
• Flywheel bolts (M10-1.25 x 20mm) and counterweight bolts (M8-1.0 x 20mm) are included.

Customer Feedback

One RX-8 owner shared, "After installing the ACT Prolite Flywheel, I noticed a significant improvement in throttle response. The car feels much more lively, especially when accelerating out of corners. The counterweight was straightforward to install, and I appreciate that it came with all the necessary bolts." This upgrade has made a tangible difference in my driving experience!"

Fitment

This flywheel kit is compatible with:

• Mazda RX-8 (2003-2012)

For those serious about maximizing their RX-7 or RX-8's performance, the ACT Prolite Flywheel Kit w/CW03 is an investment that pays off with every drive. Whether you're hitting the track or just enjoying spirited drives, this flywheel will help you get the most out of your rotary engine.