ATI Performance Products ATI917071CS-44 Super Damper Harmonic Balancer Shell Assembly Aluminum - 6.78 3-Ring 6-Groove

The ATI Performance Products ATI917071CS-44 is a replacement shell assembly designed for ATI Super Damper harmonic balancers. This 6.78-inch diameter aluminum shell features a 3-ring design with 6 serpentine belt grooves and includes 44 elastomer O-rings with 3/8-inch mounting holes.

Key Features:

• 6.78-inch outer diameter aluminum shell construction for reduced rotating weight
• 3-ring design with eight computer-machined grooves for elastomer O-rings
• 6 serpentine belt grooves for OEM-style drive systems
• Includes 44 dyno-tested durometer O-rings specifically tuned for high-performance applications
• 3/8-inch mounting holes for secure installation
• Compatible with ATI Super Damper systems for eliminating torsional crankshaft vibrations
• Black finish for corrosion resistance

ATI Super Damper shell assemblies are engineered exclusively for high-performance and racing engines. The proven elastomer system effectively eliminates damaging crankshaft harmonics that cause parasitic horsepower loss, while the tunable and rebuildable design ensures long-term performance at all RPM ranges. This shell assembly is sold without the hub and is designed for custom harmonic balancer builds or replacement applications.