ACT 600145-03 Streetlite Flywheel Kit Counterweight 842385009342 CW03 RX-8 1.3L

( Brand: Act ), ( Type: Flywheel ), ( Manufacturer Part Number: 600145-03 ), ( Material: Chromoly Steel ), ( Country/region Of Manufacture: Taiwan ), ( Universal Fitment: Vehicle Specific ), ( UPC: 842385009342 )

Review ACT Streetlite Flywheel Kit Counterweight Mazda Rx-8 1.3l fits 2004–2011

Introducing the ACT 600145-03 Streetlite Flywheel Kit CW03 with Counterweight for Mazda RX-8 models from 2004 to 2011 and equipped with the 1.3L engine. This high-performance flywheel kit is a must-have for those seeking enhanced power delivery and smoother engine operation in their Mazda RX-8.

The ACT Streetlite Flywheel Kit CW03 is a direct-fit replacement for the OEM flywheel, ensuring easy installation with no modifications required. It is designed using state-of-the-art technologies and top-grade materials, including a high-carbon, SAE J1474 compliant steel disc and a precision-machined aluminum hub. This combination results in an optimized weight distribution, reducing rotational mass and providing improved engine response.

The kit comes with a counterweight, engineered to improve the balance of the rotating assembly. The counterweight is strategically positioned to minimize vibration and reduce harmonics, contributing to a more refined driving experience.

The ACT 600145-03 Streetlite Flywheel Kit CW03 is engineered to meet or exceed OEM specifications and is compatible with both manual transmission applications. It is specifically designed for use with ACT clutch kits (sold separately) to create a complete performance clutch system.

In summary, the ACT 600145-03 Streetlite Flywheel Kit CW03 with Counterweight is an essential upgrade for Mazda RX-8 enthusiasts seeking improved power delivery, smoother engine operation, and a more refined driving experience. This direct-fit flywheel kit is easy to install, and the included counterweight ensures optimal balance and reduced vibration.

Pros and Cons of Buying Act 600145-03 Streetlite Flywheel Kit CW03 Counterweight for 04-11 Mazda RX-8 1.3L

* The flywheel kit is designed to provide better power transfer from the engine to the transmission.

* This results in improved acceleration and overall performance.

* The Streetlite flywheel is made of high-quality materials such as steel, ensuring long-lasting use.

* It is also designed to handle the increased power output of modified engines.

* The counterweight in the kit helps to balance the rotating masses in the drivetrain, reducing unwanted vibrations.

* This translates to a smoother driving experience.

* The flywheel kit is ideal for individuals who have modified their Mazda RX-8 engines for increased power output.

* It is specifically designed for this application, ensuring optimal performance and compatibility.

* Compared to other high-performance flywheel kits, the Act 600145-03 Streetlite kit is relatively affordable.

* Installing the flywheel kit requires specialized tools and knowledge.

* It is recommended to have it installed by a professional to ensure proper installation and avoid potential damage to the vehicle.

* Some users have reported an increase in engine noise after installing the flywheel kit.

* This is likely due to the increased revving required to engage the clutch, but it is generally considered an acceptable trade-off for the performance benefits.

* The flywheel kit is designed for the 04-11 Mazda RX-8 with the 1.3L engine.

* Ensure compatibility before purchasing, as using the wrong kit can lead to damage and decreased performance.

The Act 600145-03 Streetlite Flywheel Kit CW03 Counterweight is an excellent investment for Mazda RX-8 owners looking to improve their vehicle's performance. Its durability, reduced vibrations, and compatibility with modified engines all contribute to its appeal. While it may require professional installation and potentially increase engine noise, these drawbacks are generally outweighed by the benefits. Ultimately, if you're seeking improved acceleration and a smoother driving experience for your RX-8, the Streetlite flywheel kit is an excellent choice.

If you're considering purchasing the Act 600145-03 Streetlite Flywheel Kit CW03 Counterweight for your Mazda RX-8, ensure that it is compatible with your engine and that you have it professionally installed to maximize its benefits. The investment in this high-quality flywheel kit is sure to enhance your driving experience and provide long-lasting performance improvements.

Details:

Recommended Use: for street and race use. Life: Heat-treated forging for strength and toughness, induction-hardened ring gears maximum life. Quality: Assures correct external balance for manual shift engine using OE front counterweight. Products that have been modified drilled or altered in any way.

ACT XACT Streetlite flywheels are considerably lighter than stock and the most durable flywheel offering from. ACT 600145-03 is a flywheel kit for various Mazda RX-7 and RX-8 applications comes complete with an counterweight. Minimum Advertise Price Fast Free Shipping. MPN: 600145-03.

Excellent How reasonable were the shipping and handling charges. ACT 600145-03 - Streetlite Flywheel Kit with CW03 Counterweight. How accurate was the. Shipping: Free Shipping.

ACT Difference: Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability. The flywheel counterweight is required when installing the XACT on various Mazda RX-7 and RX-8 rotary applications. Acts Streetlite flywheels are preferred for street or drag racing. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity.

Free Shipping applies only to orders shipped within the continental USA. If we didn provide you with a return shipping label, make sure to include the RMA# on package. Key Features:: Feel: Noticeably improved engine response and acceleration, OE to mild gear rattle.

part #: 60014503 price

• $640.00

specifications addedclutch:

• for makes: Mazda
• for years: 2004-2011
• brand: Act
• type: Flywheel
• manufacturer part number: 600145-03
• material: Chromoly Steel
• country/region of manufacture: Taiwan
• universal fitment: Vehicle Specific
• upc: 842385009342

general addedclutch:

• condition: New
• Transmission Drivetrain > Clutch Parts Kits > Additional Clutch Parts

payments addedclutch:

• other
• wallet: Paypal
• credit card: Discover

shipping addedclutch:

• cost: $0.00
• transit: 3-8 Days
• class: Standard
• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage

offer addedclutch:

• availability: In Stock
• sold: 0
• started: September 8, 2025
• options: Ship-to-home
• quantity: 3

returns addedclutch:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller addedclutch:

• rating: 96.3%
• city: Perrysburg, Ohio
• # reviews: 805

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