ACT XACT Street Mass Flywheel

2005–2010 Jeep Grand Cherokee, 2007–2018 Jeep Wrangler, 2018–2026 Jeep Wrangler & Gladiator

601320

Overview:

The ACT XACT Street Mass Flywheel is engineered to deliver reliable, street-ready performance for a wide range of Jeep models, including Wrangler, Gladiator, and Grand Cherokee from 2005 through 2026. Designed with minimal change in inertia, this flywheel maintains the natural driving feel and smooth engagement that Jeep enthusiasts expect for daily driving and light off-road use. It offers a durable, one-piece construction that eliminates the common issues associated with dual-mass flywheels, such as driveline slop and ring gear failure, making it an ideal upgrade for those seeking long-lasting performance without sacrificing drivability.

Whether you’re upgrading your clutch system or replacing a worn factory flywheel, the ACT XACT Street Mass Flywheel provides a perfect balance of strength, reliability, and ease of maintenance for normal street and moderate off-road applications.

Key Features:

Built to meet the demands of Jeep drivers who require dependable performance and durability, the ACT XACT Street Mass Flywheel offers the following key features:

• Street-mass design with no significant change in inertia for consistent drivability
• One-piece forged construction for enhanced strength and toughness
• Heat-treated forging combined with induction-hardened ring gears for maximum durability
• Eliminates issues common to dual-mass flywheels such as warped inserts and loose ring gears
• Resurfacing capability extends service life without the need for additional parts
• Dynamically computer balanced and CNC machined for smooth operation and reliability
• Reduces driveline slop, improving clutch engagement feel and drivetrain response
• Recommended for both street and off-road use, matching the rugged nature of Jeep vehicles
• Backed by ACT’s industry-leading one-year warranty for peace of mind

Construction & Design:

The ACT XACT Street Mass Flywheel is crafted from high-grade forged steel, providing exceptional strength and resistance to wear under demanding conditions. The one-piece design acts as an efficient heat sink, dissipating heat generated by clutch engagement to reduce the risk of warping and premature failure. The ring gear is induction hardened to withstand repeated starter motor engagement, ensuring long-lasting durability. Precision CNC machining and dynamic balancing guarantee smooth operation, minimizing vibrations and enhancing overall drivetrain performance.

Installation & Fitment:

This flywheel is designed as a direct fit replacement for a broad range of Jeep models, including the Jeep Wrangler (2007–2018 and 2018–2026), Jeep Gladiator (2018–2026), and Jeep Grand Cherokee (2005–2010). Installation requires no modifications to the vehicle or clutch components, making it a straightforward upgrade for professional mechanics and experienced enthusiasts alike. The flywheel’s compatibility with factory clutch systems and ACT clutch kits ensures seamless integration and reliable performance.

What's Included:

• ACT XACT Street Mass Flywheel (Part #601320)
• Installation instructions

Ideal For:

The ACT XACT Street Mass Flywheel is ideal for Jeep owners seeking a durable, reliable flywheel that maintains factory-like drivability while improving clutch engagement and reducing drivetrain slop. It is perfectly suited for daily street driving, weekend off-roading, and anyone looking to replace a worn or failing dual-mass flywheel without compromising performance or longevity.

ACT (Advanced Clutch Technology) engineers performance clutches and flywheels built for consistent engagement, higher torque capacity, and durability in street and race use. The brand emphasizes quality and reliability and is widely used by enthusiasts who need driveline components that can handle repeated hard launches, shifts, and track abuse.