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CP Piston & Ring Set for EJ257 WRX STi - Bore (99.75mm) - Size (+0.25mm) - CR (9.0)

Regular price $858.90 USD $815.95 USD



In Stock. Pre-order.

Ready To Ship!


Hurry! Only 6 left in stock.

Part # cppSC7426-4

About This Item

The forged pistons used in the CP WRX and STI have an excellent ring seal, a higher vacuum, less blow-by, improved durability, and more power and torque across the power band. Even better, peak horsepower is maintained for the duration of the piston rings' life. This is made possible by CP's unique machining processes and lightweight forgings. Each and every piston made by CP demonstrates the company's dedication to racing.

With a focus on performance and dependability, CP is committed to using the best forging processes and CNC equipment available. This, combined with strict quality control, results in consistently high-quality products. The quality control requirements at CP are among the finest in the business.

Applications:

  • Subaru Impreza WRX STI 2004-2014
  • Subaru Impreza WRX 2006-2014
  • Subaru WRX STI 2015-2021

Features:

  • high-strength forgings made of aluminum.
  • Extremely light construction.
  • Fully CNC-machined and +/- 1 gram balanced.
  • Includes accumulator groove.
  • Force fed double pin oilers from the oil ring.
  • Including wrist pins

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Return & Cancelation Policy

In stock, non special order items can be returned within 30 days of the product arriving to your house or place of work.
Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved via e-mail.
All returns will be subject to a 20% restocking fee minus complete shipping cost (roundtrip).

Any processed orders that have not shipped will incur a 6% cancelation refund fee unless the product was not available to ship within a timely manner. No fee will be incurred if used as store credit.

For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.

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