ATI Performance Products ATI918918 Super Damper Harmonic Balancer Ford Small Block - 6.325in

The ATI Performance Products ATI918918 is a high-performance Super Damper harmonic balancer engineered for custom internal balanced Ford small block and 6-cylinder applications. This 3-ring damper design effectively eliminates harmful torsional crankshaft vibrations that can damage engines at high RPM.

Key Features:

• 6.325-inch outer diameter with black anodized aluminum construction
• Three-ring elastomer design with steel inertia weight for superior damping efficiency
• SFI 18.1 certified for racing applications
• Laser-engraved 360-degree timing marks for precise tuning
• Four-bolt crankshaft pulley mounting with single keyway
• 4-inch B timing tab location
• Total weight: 6.30 lbs (3.90 lb damper + 2.40 lb hub)

ATI Super Dampers feature computer-machined grooves that retain proper durometer O-rings, which are dyno-tested for each application. The damper is tunable, rebuildable, and maintains excellent efficiency across the entire RPM range. Designed for both racing and high-performance street applications, this damper exceeds SFI 18.1 specifications and serves as OEM equipment on various crate engines.

Note: Designed for custom internal balanced build applications only. Mounting hardware sold separately.