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CP 99.5 Bore 9.0:1 Piston Set ( Part Number:CPP SC7425)

CP 99.5 Bore 9.0:1 Piston Set - Subaru EJ25 Turbo Models (inc. 2006-2014 WRX / 2004+ STI)

MODEL # CPP SC7425
Manufacturer Part # SC7425

$679.00

MSRP: $806.00

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Description

The piston is the weak link in the stock STI block. These are great for someone either reassembling a their block or someone looking to put in some strong pistons in their "built" block.

Throw these forged high strength aluminum pistons in and turn up the boost and get more power from your STI! These CP pistons have been put through rigorous testing. In short, they are build to withstand nearly whatever you can throw at em'!
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Specifications


Brand: CP
Anti-Friction Coating: No
Bore Size: 99.50mm
Compression Ratio: 9.0:1
Head Alteration Required: No
Machining Required: No
Material: Forged
Piston Rings Included: Yes
QTY: 4
Wrist Pin Clips: No
Wrist Pins Included: Yes

Mfgr. Warranty: No Warranty
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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RallySportDirect.com Reviews:

  • Q: Alloy made?  theorossi 8 months ago

    Answer

    Are they made from 2618 or 4032 alloy?


    • A: CP CARRILLO shelf pistons are made out of 2618 forged alloy. Its has a more forgiving nature under high impact situations such as detonation. Feel free to contact us with any further questions.


      CP CARRILLO 8 months ago
  • Q: will they work?  Justin 8 months ago

    Answer

    will these work fine with manley rods, on stock block?


    • A: Yes, you will need to have the cylinders honed by a machine shops still.


      Tyler A. 8 months ago
  • Q: Fitment  Santi.A 2 years ago

    Answer

    Will these CP piston work well with stock crank and rods on my 16 STI?


    • A: We recommend upgraded rods when running forged pistons. These pistons will fit on the stock rods and crank though.


      Josh P. 2 years ago
  • Q: outback xt  boycottcorn 4 years ago

    Answer

    I have a tuner on now, would I need to get a custom tune after installation?


    • A: A custom tune is necessary when you change your compression ratio.


      Zach G. 4 years ago
  • Q: 2008 sti  luiseg1133960 5 years ago

    Answer

    will the stock crank an rods work with this pistons on a 2008 sti?


    • A: These pistons are OEM spec and will fit the stock crank rods without a problem.


      Nick S. 5 years ago
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