ATI Performance Products ATI917127E Super Damper Harmonic Balancer for Chrysler 361-440

The ATI Performance Products ATI917127E Super Damper is a high-performance harmonic balancer engineered specifically for Chrysler 361-440 big block engines. This patented Super Damper is the only crankshaft damper designed exclusively for high-RPM performance engines operating at 6000+ RPM, making it ideal for racing and aggressive street applications.

Key Features:

• 7.074-inch outside diameter steel construction for maximum durability
• Internal balance design with elastomer dampening technology
• Steel inertia weight with eight computer-machined grooves retaining proper durometer O-rings
• Black anodized finish for corrosion resistance
• Laser-engraved 360-degree timing marks for precise ignition timing
• Exceeds SFI 18.1 safety specifications for competition use
• Proven in Winston Cup competition over two million cycles
• Tunable, rebuildable, and efficient at all RPM ranges

The ATI Super Damper effectively eliminates destructive torsional crankshaft vibrations that can reduce power and damage engine components. Whether you're building a dedicated race engine or a high-performance street machine, this damper provides superior protection and performance. Mounting hardware sold separately.