Fluidampr 571111 Steel Internally Balanced Performance Harmonic Damper with Adapter Kit

The Fluidampr 571111 is a high-performance crankshaft harmonic damper designed to protect your engine from destructive torsional vibration across the entire RPM range. This complete kit includes the steel damper and a crankshaft hub adapter kit for installation on Subaru and Toyota FA24, FB20, and FB25 engines.

Superior Viscous Damper Technology:

Unlike traditional rubber elastomeric dampers that only work within a narrow frequency range and degrade over time, Fluidampr's viscous damper design uses a precision-machined internal inertia ring that continuously adapts to control harmful torsional vibrations throughout the entire RPM spectrum. This advanced design reduces wear on critical engine components, minimizes the risk of crankshaft failure, and helps unleash lost torque and horsepower.

Key Features:

• Stock-size integrated six-rib serpentine accessory drive pulley
• Precision CNC machined and balanced high-grade steel construction
• Corrosion-resistant black zinc finish with laser-engraved timing marks
• SFI 18.1 certified for racing and high-performance applications
• Internally balanced design
• Replaceable crankshaft hub for long-term serviceability
• No maintenance or rebuilding required
• Made in USA

Complete Adapter Kit Included:

The kit includes crankshaft hub adapter (p/n 300023), O-ring, and OE crankshaft bolt for proper installation on modern Subaru and Toyota engines with revised crankshaft designs.

Specifications:

• Outside Diameter: 5.875 inches
• Bore Diameter: 0.787 inches
• Depth/Length: 1.62 inches
• Total Weight: 5.8 lbs (Rotating Weight: 3.8 lbs)
• Pulley Grooves: 6-rib serpentine
• Finish: Black Zinc
• Timing Marks: Engraved

Installing a Fluidampr performance damper early in your build creates a durable foundation for peak engine performance, especially when modifications are planned. Trusted by leading engine builders and OEMs worldwide for protection that accommodates future engine modifications without the need to re-tune.