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Wiseco Piston Set 99.75mm Bore ( Part Number:WIS K598M9975AP)

Wiseco Piston Set 99.75mm Bore - Subaru EJ25 Turbo Models (inc. 2006-2014 WRX / 2004+ STI)

MODEL # WIS K598M9975AP
Manufacturer Part # K598M9975AP

$583.31

MSRP: $641.00

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Description

Dedicated 2618 alloy forgings, offset wrist pins, Nitrided/Napier Steel rings, skirt coatings, complex dish and dome designs, special skirt profiles, and other features insure longevity and power with boosted and nitrous engines.

Specs:
8.9:1 Compression Ratio
99.75mm Bore

Includes, Wrist Pins, Piston, and rings.
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Specifications


Brand: Wiseco
Anti-Friction Coating: Yes
Bore Size: 99.75mm
Compression Ratio: 8.9:1
Head Alteration Required: No
Machining Required: Yes
Material: Forged
Piston Rings Included: Yes
QTY: 4
Wrist Pin Clips: Yes
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:

Perfection
316MW & IMO Fabrication 5 years ago
These pistons matched with a set of Manley rods, a new stock crank and a Blouch 2.0 XTR turbo our shop car makes 460 wheel hp, and 485 ftlb torque, daily driven. These pistons are top knotch, and Wiseco has never done me wrong.
Comment

  • Q: thermal gap  spoohh 5 years ago

    Answer

    What joint clearance piston cylinder manufacturer recommends its use during the installation of the pistons?


    • A: We highly recommend discussing this with your engine builder to ensure the proper clearances are used for your specific engine build.


      Tanner S. 5 years ago
  • Q: rebuilding motor  2007 sti 5 years ago

    Answer

    what is the power rating?


    • A: Pistons do not have a power rating.


      Kirill C. 5 years ago
  • Q: Blew a ringland   JohnM. 5 years ago

    Answer

    Will these fit on the stock block? Just blew a ringland and looking for a new set


    • A: Stock bore is going to be 99.5mm. These will work but will require some machine work. Depending on the condition of your engine when it is torn apart it wouldn't be a bad idea to clean things up a bit and get better fitment than stock by going with the 99.75mm piston.


      Tanner S. 5 years ago
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