ACT XACT Prolite Flywheel 600140 for Mazda RX-8

600140 is a Prolite flywheel, which is ACT's lighter 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, good heat tolerance and rigidity. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. XACT Flywheel Prolite Dramatically improved engine response and acceleration, mild to moderate gear rattle; Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability

• "Excellence in Performance", backed by the best one-year warranty in the industry!

The ACT XACT Prolite Flywheel, Part Number 600140, is a lightweight performance flywheel engineered to improve throttle response, engine acceleration, and high-RPM reliability. Its low-inertia design is well suited for road racing, rally racing, and other competition applications where quick engine response is a priority. The Prolite flywheel is recommended for race use and may provide reduced street drivability with mild to moderate gear rattle.

Constructed from a heat-treated forging, the ACT 600140 delivers strength, toughness, heat tolerance, and rigidity under demanding operating conditions. Its one-piece construction promotes uniform heat transfer from the clutch disc while eliminating the potential for warped inserts or loose ring gears. The ring gear is induction hardened for extended service life, and the flywheel is forged, CNC machined, and dynamically computer balanced for smooth operation at high engine speeds.

ACT flywheels are serviceable and can be resurfaced without requiring additional replacement parts. The XACT Prolite 600140 is backed by ACT's one-year warranty and is designed for compatible Mazda RX-8 applications. Verify vehicle configuration and engine compatibility before installation. This product is intended for automotive performance use and is not CARB approved.

What's Included

• ACT XACT Prolite flywheel
• Induction-hardened ring gear
• ACT one-year limited warranty

Fitment

Designed to fit select 2009–2011 Mazda RX-8 applications. Confirm exact vehicle configuration, engine, transmission, and model-year compatibility before purchase.

Features:

• Low-inertia Prolite design improves throttle response and acceleration for performance driving.
• Heat-treated forged construction provides strength, toughness, heat tolerance, and rigidity.
• One-piece construction supports uniform heat transfer and eliminates loose ring gear or insert failure points.
• CNC machined and dynamically computer balanced for smooth, dependable operation at high engine speeds.

Fitments:
1986 Mazda RX-7 Turbo
1987 Mazda RX-7 Turbo
1988 Mazda RX-7 10th Anniversary
1988 Mazda RX-7 Turbo
1989 Mazda RX-7 Turbo
1990 Mazda RX-7 Turbo
1991 Mazda RX-7 Turbo
1993 Mazda RX-7 Base
1993 Mazda RX-7 R1
1993 Mazda RX-7 Touring
1994 Mazda RX-7 Base
1994 Mazda RX-7 R2
1994 Mazda RX-7 Touring
1995 Mazda RX-7 Base
1995 Mazda RX-7 R2
1995 Mazda RX-7 Touring
2004 Mazda RX-8 Base
2005 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2006 Mazda RX-8 Base
2007 Mazda RX-8 Base
2008 Mazda RX-8 40th Anniversary Edition
2008 Mazda RX-8 Grand Touring
2008 Mazda RX-8 Sport
2008 Mazda RX-8 Touring
2009 Mazda RX-8 Grand Touring
2009 Mazda RX-8 R3
2009 Mazda RX-8 Sport
2009 Mazda RX-8 Touring
2010 Mazda RX-8 Grand Touring
2010 Mazda RX-8 R3
2010 Mazda RX-8 Sport
2011 Mazda RX-8 Grand Touring
2011 Mazda RX-8 R3
2011 Mazda RX-8 Sport

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1