ATI SUPER HARMONIC STREET DAMPER CRANK PULLEY K-SERIES HONDA CIVIC SI FD2 K20Z3 918477

  • $357.78
    Unit price per 


Description

ATI Super Harmonic Street Damper for Honda K-Series | Part #918477 | Civic Si, RSX

Upgrade your Honda K-Series engine with the ATI Super Harmonic Street Damper, engineered for superior performance and durability on both street and track. Designed specifically for the ’02-’06 Acura RSX, ’02-’05 Civic, and ’06-’15 Civic Si models, this damper fits K20A, K20Z3, K20A2, and K24A/Z engines.


Key Features:

  • Part Number: ATI-918477

  • Compatibility: Honda/Acura K20A, K20Z3, K20A2, K24A/Z engines

  • Vehicles:

    • Acura RSX (2002-2006)

    • Honda Civic (2002-2005)

    • Honda Civic Si (2006-2015)

  • Design: 5.5” diameter super harmonic damper with single serpentine belt drive

  • Timing Marks: 360° laser-etched for precision tuning

  • Certification: Meets or exceeds SFI 18.1 safety standards; NHRA & IHRA approved

  • Use: Street and racing applications

  • Construction: High-quality balanced design reduces harmonic vibrations and engine wear

  • Drive Setup: Compatible with factory serpentine belt configuration


🔧 Why Choose ATI Super Harmonic Damper?

  • Reduces crankshaft vibration for smoother engine operation

  • Improves engine longevity under high RPM and performance conditions

  • Enhances throttle response and power delivery

  • Suitable for both daily drivers and competitive racing use

  • Durable, precision-engineered for K-Series Honda engines


📦 Package Includes:

  • ATI Super Harmonic Street Damper (Part #918477)

  • Factory packaging and documentation


⚠️ Important Notes:

  • Designed for K-Series engines only (K20/K24 variants)

  • Compatible with stock serpentine belt systems

  • Professional installation recommended for best results


Upgrade your K-Series performance with the ATI Super Harmonic Street Damper — engineered for Honda enthusiasts who demand reliability and power.


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