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ATI SUPER HARMONIC STREET DAMPER CRANK PULLEY K-SERIES HONDA CIVIC SI FD2 K20Z3 918477 Click Thumbnails to Enlarge Product 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:
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
Shipping Terms
- All orders placed on are shipped with standard shipping within the Continental U.S.
- Standard Shipping is either USPS Ground Advantage, UPS Ground or FedEx Ground.
- Shipping times may very depending on shipping service used.
- Upgraded shipping is available upon request, but additional costs will apply.
- Orders must be placed by 12pm EST Monday - Friday to start processing on the same day. Processing time takes 1 business day.
- Delivery times are based on orders placed between Monday - Friday.
- Orders placed on Saturday or Sunday will not be processed until the following Monday.
- Hawaii, Alaska and Puerto Rico do not qualify for Free Shipping.
- For shipments to Hawaii, Alaska, or Puerto Rico we offer USPS Priority, USPS Express, FedEx, and UPS 2 Day and 1 Day shipping services. Please inquire with us for shipping rates before placing your order.
Payment Terms
- We accept PayPal payments.
- Immediate payment is required.
Returns Policy
- For unopened and unused merchandise we offer a 30 Day Money Back Return Policy (minus a standard 20% restocking fee).
- Return shipping is always the buyer's responsibility.
- Buyer must contact HPTautosport before returning any merchandise. We reserve the right to refuse any returns received without authorization.
- Fr items that have been opened or installed: only the manufacturer's warranty applies, no refund or return is allowed.
- For items purchased in error or after 30 days, HPTautosport wil determine if the return will be allowed.
About Us
HPTautosport strives to be your #1 source for aftermarket performance parts and service.
With over 20+ years of experience in the automotive industry and a lifelong passion for motor sports, we have the knowledge and expertise to assist you with every aspect of your vehicle.
Unlike our competitors, we not only sell parts but we install these parts daily in our full service performance facility in Arden, North Carolina.
Our mission here at HPTautosport is to gain your business by offering top quality products and great service at affordable prices. All website orders generally ship within 1 business day. If there is a problem with your order, we contact you right away.
We want you to be happy with our products and services, so we always go the extra mile to make sure you keep coming back for years to come. Check out our store today!
Contact Us
Questions or comments? Please click here to send us your email, and we'll get back to you as quickly as possible.
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