CP Piston & Ring Set

 USD  USDPrice range: $214.75 USD through $885.15 USD

Select your vehicle to confirm fit

CP Pistons – Pistons. Fits Subaru WRX STI GD, Subaru WRX STI GR/GV.

  • Made to order — subject to stock confirmation.
  • Your card is authorized now, charged only once we confirm stock (usually within 24 hours).
  • Ships from our Wisconsin warehouse. Delivery 3–7 business days.
  • Ships direct from our supplier network — delivery depends on supplier availability.
  • Not sure it fits? Ask us →
Whether you're racing a Honda, Acura, Mitsubishi, Toyota, Nissan, or Subaru, CP Pistons has specially designed high-performance pistons off-the-shelf. In most cases, these will directly replace the stock pistons. CP pistons are compatible with oversized valves and high lift camshafts. Part numbers ending in a "X" are on a X-style forging for additional strength, durability and weight reduction. The X-style has a full radius dome design, high-performance rings and lightweight wrist pins. CP Pistons represent the highest quality and is engineered for maximum power. Pistons can be ordered with gas ports, skirt coating, ceramic top coating, and stronger wrist pins if desired.

Features:

  • High strength aluminum forgings
  • Super lightweight designs
  • Fully CNC machined and balanced to +/- 1 gram
  • Wrist pins included at no extra cost
  • Accumulator groove included
  • Double pin oilers, force fed from oil ring
  • Pick lock grooves for easy lock removal
  • Bore 99.5mm
  • Size STD
  • Compression Ratio (9.0)

Fitment:

  • Subaru Impreza 2004-2012

Note:

  • CP Pistons are priced and sold per piston. 4 Cylinder engines will require Quantity 4 of each part #.
  • No Locks Supplied, use Factory Locks

Other Part Numbers:
CP Pistons #cppSC7425-4

Proposition 65

⚠WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fitment: Subaru WRX STI GD (2004-2007); Subaru WRX STI GR/GV (2008-2014)

Please confirm year, trim and engine before ordering.

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