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ACT Flywheel - ProLite - RSX/Civic SI - 2002-2011 - 600125

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Product Description

ACT XACT ProLite Lightweight Flywheel – 8.5 lbs – Part# 600125
Fits 2002–2011 Acura RSX / Honda Civic Si – K20 Engines

Reduce rotational mass and dramatically improve throttle response with the ACT ProLite XACT Flywheel (Part #600125), designed specifically for K20-powered Acura RSX and Honda Civic Si models. Weighing in at just 8.5 lbs, this flywheel is engineered for road racing, track days, and aggressive street driving where rapid engine response and fast acceleration are crucial.

✅ Key Specs & Features:

  • Weight: 8.5 lbs – Lightest in the ACT lineup

  • Material: Forged Chrome-Moly Steel – stronger and longer-lasting than billet or aluminum

  • Design: CNC-machined one-piece construction

  • Part Number: 600125

  • Quick throttle response and high-revving acceleration

  • True race-spec flywheel with reduced rotational inertia

  • Maximum gear life – teeth won’t strip or fall off

  • Serviceable – can be resurfaced without needing new components

  • SFI Certified for safety and durability

⚙️ Vehicle Fitment:

Acura RSX (Base & Type-S):

  • 2002, 2003, 2004, 2005, 2006

Honda Civic Si (K20):

  • 2002, 2003, 2004, 2005, 2006 (EP3)

  • 2007, 2008, 2009, 2010, 2011 (FA5/FG2)

✅ Compatible with 6-speed and 5-speed manual transmissions using K20 series engines
❌ Not for automatic transmissions

  • All orders placed on eBay 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.
  • We accept PayPal payments.
  • Immediate payment is required.
  • 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.

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!

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