ATI Performance Products 917345 Super Damper Harmonic Balancer LS1 LS2 LS3 LS6 8-Rib Supercharged

The ATI Performance Products 917345 Super Damper is a high-performance harmonic balancer specifically engineered for supercharged GM LS engine applications. This premium damper integrates ATI's patented Super Damper technology directly into the crankshaft blower pulley, providing superior protection against torsional crankshaft vibrations while eliminating the need for a separate pulley assembly.

Key Features:

• Patented Super Damper design eliminates torsional crankshaft vibrations at all RPM levels
• 8-rib blower pulley with 4-rib inner groove configuration for versatile belt routing
• Steel shell and steel hub construction with elastomer dampening element for maximum durability
• SFI 18.1 certified for racing applications
• Laser-engraved 360-degree timing marks for precise engine tuning
• Dual-keyway hub design for reliable crankshaft engagement
• 7.074-inch outside diameter optimized for supercharger applications
• Black zinc chromate finish for corrosion resistance
• Internally balanced design

Construction:

This balancer features ATI's exclusive elastomer construction with a steel inertia weight sandwiched between inner and outer steel shells. Computer-machined grooves retain properly durometer-rated O-rings that have been dyno-tested for each specific application, ensuring balanced dampening across the entire RPM range.

Specifications:

• Shell Weight: 9.75 lbs
• Average Hub Weight: 2.90 lbs
• Total Approximate Weight: 12.65 lbs
• Outside Diameter: 7.074 inches
• Groove Configuration: 8-rib outer, 4-rib inner
• Keyway Quantity: Dual keyway

Designed for use with ProCharger C5 and C6 Corvette supercharger kits and other GM LS-series supercharged applications. Sold individually without mounting hardware.