ATI 918620 Super Damper Harmonic Balancer for 2006-2013 Corvette Z06/Grand Sport

Vehicle Fitment

• 2006-2013 Chevrolet Corvette Z06 (LS7, Dry Sump, Manual Transmission)
• 2010-2013 Chevrolet Corvette Grand Sport (LS3, Dry Sump, Manual Transmission)

Features

• Designed for high-performance LS7 and LS3 engines with dry sump systems
• Eliminates torsional crankshaft vibrations at all RPM levels
• Exceeds SFI 18.1 safety certification for competitive use
• Laser-etched 360° timing marks for precise ignition timing adjustments
• Dual serpentine grooves: 8-rib for accessories and 4-rib for air conditioning
• Constructed with an aluminum shell and steel hub for durability
• Internal balance configuration suitable for high RPM applications
• Non-removable OEM diameter air conditioning pulley for compatibility

Specifications

• Outside Diameter: 7.430 inches
• Weight: 6.85 lbs
• Material: Aluminum shell with steel hub
• Groove Configuration: 8-rib accessory drive, 4-rib A/C drive
• Safety Certification: SFI 18.1
• Keyway Quantity: 1
• Finish: Black anodized

Included Components

• 1x ATI 918620 Super Damper Harmonic Balancer
• 1x Installation Instructions

Product Description

The ATI 918620 Super Damper Harmonic Balancer is engineered to provide superior dampening of torsional crankshaft vibrations in high-performance LS7 and LS3 engines. Its design features dual serpentine grooves - an 8-rib for accessory drives and a 4-rib for air conditioning - ensuring compatibility with factory systems. The damper's aluminum shell and steel hub construction offer durability, while the internal balance configuration supports high RPM applications.

This harmonic balancer is particularly suited for 2006-2013 Corvette Z06 models and 2010-2013 Corvette Grand Sport models equipped with dry sump systems and manual transmissions. It is ideal for both street and track use, providing enhanced engine protection and performance. The ATI 918620 exceeds SFI 18.1 safety certification, making it a reliable choice for competitive racing environments.