ATI SUPER HARMONIC STREET DAMPER CRANK PULLEY K-SERIES HONDA CIVIC SI FD2 K20Z3 918477
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:
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Part Number: ATI-918477
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Compatibility: Honda/Acura K20A, K20Z3, K20A2, K24A/Z engines
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Vehicles:
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Acura RSX (2002-2006)
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Honda Civic (2002-2005)
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Honda Civic Si (2006-2015)
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Design: 5.5” diameter super harmonic damper with single serpentine belt drive
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Timing Marks: 360° laser-etched for precision tuning
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Certification: Meets or exceeds SFI 18.1 safety standards; NHRA & IHRA approved
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Use: Street and racing applications
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Construction: High-quality balanced design reduces harmonic vibrations and engine wear
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Drive Setup: Compatible with factory serpentine belt configuration
🔧 Why Choose ATI Super Harmonic Damper?
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Reduces crankshaft vibration for smoother engine operation
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Improves engine longevity under high RPM and performance conditions
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Enhances throttle response and power delivery
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Suitable for both daily drivers and competitive racing use
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Durable, precision-engineered for K-Series Honda engines
📦 Package Includes:
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ATI Super Harmonic Street Damper (Part #918477)
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Factory packaging and documentation
⚠️ Important Notes:
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Designed for K-Series engines only (K20/K24 variants)
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Compatible with stock serpentine belt systems
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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.