Description ACT 601060 – 12-18 Jeep Wrangler JK X Flywheel ProMass ACT XACT Pro-Mass Clutch Flywheel XACT Flywheel Pro-Mass 601060 is a Pro-Mass flywheel, developed with greater inertia for improved climbing and pulling cabilities. Proper mass distribution gives optimal increase of inertia with minimal weight penalty. ACT flywheels can be resurfaced with no need to purchase additional parts. “Excellence in Performance”, backed by the best one-year warranty in the industry!

Friction Surface Diameter: 11Product Weight (lbs.): 44.0SFI: 1.1Material: Chromoly SteelType: Pro-MassMounting Hardware Included: NoMounting Hole Quantity: 8Weight: 44.0Tooth Quantity: 127Friction Surface Configuration: FlatGrade Type: PerformanceSFI Rating: 1.1Replaceable Friction Surface: NoEngine Balance: Internal.