600140-03 is a flywheel kit for various Mazda RX-7 and RX-8 applications comes complete with an ACT counterweight. The flywheel counterweight is required when installing the XACT flywheel on various Mazda RX-7 and RX-8 rotary applications. XACT Prolite flywheels are ACT's lightest 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, lower inertia, good heat tolerance and rigidity. XACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.

Features:

Feel: Dramatically improved engine response and acceleration, mild to moderate gear rattle;
Life: Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life;
Quality: Assures correct external balance for manual shift engine using OE front counterweight;
Recommended Use: Recommended for all uses;
ACT Difference: Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability;

Fitments:

Mazda RX-8 2004-2007 - Base | 1.3 R2 GAS FI 1308cc
Mazda RX-8 2005 - Shinka | 1.3 R2 GAS FI 1308cc
Mazda RX-8 2008 - 40th Anniversary Edition | 1.3 R2 GAS FI 1308cc
Mazda RX-8 2008-2011 - Grand Touring/GT/Sport | 1.3 R2 GAS FI 1308cc
Mazda RX-8 2008-2009 - GS/Touring | 1.3 R2 GAS FI 1308cc
Mazda RX-8 2009-2011 - R3 | 1.3 R2 GAS FI 1308cc

Note:

Flywheel requires counterweight (included).

Other Part Numbers:
ACT #act600140-03

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Make Vehicle	Model	Submodel	Year	Engine	Notes
2003-2012 Mazda RX-8	RX-8		2003-2012

Who is ACT?

ACT or also known as Advanced Clutch Technology is an aftermarket manufacturing company that specializes in producing high performance driveline parts for the automotive market. The company was founded in 1994 and has since established itself as the leader in the industry.

Track Tested Performance

The company has been actively participating in motorsport racing and has been used by the majority of the racing teams. By gathering valuable information from the track, they are able to create a product that would be able to provide optimum performance and reliability.

State-Of-The-Art Facility

Advanced Clutch Technology has the best facility in the industry. Hence, they are able to create products that are superior to their competitors. They utilize high tech equipment such as Advanced CAD, FEA Simulation, and CAM Tools that help them create a design accurately and test its functionality even before it is manufactured.

Not Your Ordinary Clutch

With years of experience in the business and decades of track time data, the company used all of these to create products that unmatched in all aspects. Their products are tested to perform better, handle more horsepower, and have a better life and durability compared to its OEM counterpart. This is the reason why they are the brand of choice by many racers and tuners worldwide.

Tested to Perfection

ACT is a company known for being a perfectionist. Everything has to be perfect and perform the way it should be. Before they even release it commercially, their design is tested rigorously, making sure that they are able to correct all the flaws, however minuscule it is. It goes through a tedious process that involves actual vehicle testing, dyno testing, laboratory testing, 3D modeling, rapid prototyping, and digital simulation.

Purchase ACT at Vivid Racing

Proven both on the street and track, ACT is a brand that would never disappoint. ACT offered a variety of drivetrain parts such as clutch kits and flywheels with different specifications depending on the kind of application it will be used on. Visit Vivid Racing and check out all the list of products that would fit your specific need.

ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.

ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.

ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.