ACT 600665 XACT Streetlite Flywheel for 2010-2012 Hyundai Genesis Coupe

600665 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. XACT Flywheel Streetlite Noticeably improved engine response and acceleration, OE to mild 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 street and 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 600665 XACT Streetlite Flywheel is designed for drivers seeking sharper engine response, quicker acceleration, and dependable clutch performance in a street or drag racing application. Its lighter-than-stock construction reduces rotational inertia while maintaining the strength, rigidity, and heat tolerance required for spirited driving. The result is improved throttle response and faster engine acceleration without sacrificing durability.

Manufactured from a heat-treated forging, this ACT flywheel is CNC machined and dynamically computer balanced for smooth, reliable operation at high RPM. Its one-piece design promotes uniform heat transfer from the clutch disc and eliminates common failure points associated with loose ring gears or warped inserts. The induction-hardened ring gear is engineered for extended service life, while the serviceable design allows resurfacing without requiring additional replacement parts.

The ACT 600665 XACT Streetlite Flywheel is recommended for street and race use and may produce OE-to-mild gear rattle depending on the vehicle and drivetrain setup. It fits select 2010, 2011, and 2012 Hyundai Genesis Coupe applications. ACT supports the product with its industry-leading one-year warranty. Professional installation and verification of clutch and vehicle compatibility are recommended before purchase.

Product Specifications & Technical Data

• Brand: ACT
• Part Number: 600665
• Product Line: XACT Streetlite
• Application: Automotive performance flywheel
• Recommended Use: Street driving and drag racing
• Construction: Heat-treated forged, CNC-machined one-piece design
• Balancing: Dynamically computer balanced for high-RPM reliability
• Serviceability: Resurfacing supported without purchasing additional parts

What's Included

• One ACT 600665 XACT Streetlite Flywheel
• Manufacturer warranty documentation

Fitment: Fits select 2010, 2011, and 2012 Hyundai Genesis Coupe models. Confirm engine, transmission, and clutch compatibility before installation.

Features:

• Lighter-than-stock design: Reduces rotational inertia for improved engine response and acceleration.
• Heat-treated forged construction: Provides strength, toughness, rigidity, and dependable heat tolerance.
• One-piece construction: Promotes uniform heat transfer while reducing the chance of loose ring gears or warped inserts.
• Precision balanced performance: CNC machining, induction-hardened ring gear, and dynamic computer balancing support smooth high-RPM operation.

Fitments:
2010 Hyundai Genesis Coupe 2.0T
2010 Hyundai Genesis Coupe 2.0T Premium
2010 Hyundai Genesis Coupe 2.0T R-Spec
2010 Hyundai Genesis Coupe 2.0T Track
2011 Hyundai Genesis Coupe 2.0T
2011 Hyundai Genesis Coupe 2.0T Premium
2011 Hyundai Genesis Coupe 2.0T R-Spec
2012 Hyundai Genesis Coupe 2.0T
2012 Hyundai Genesis Coupe 2.0T Premium
2012 Hyundai Genesis Coupe 2.0T R-Spec

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