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Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1 (Part Number: )
Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1 (Part Number: )
Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1 (Part Number: )
Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1 (Part Number: )
Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1 (Part Number: )
Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1 (Part Number: )
Cosworth Forged Pistons w/ Pins, Clips, and Rings 100mm Bore 8.2:1
Subaru EJ25 Models (inc. 2004+ STI / 2006-2014 WRX)
Write a Review | 1 Q&As
Part # 10001432
$672.29
msrp: $829.99


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Features & Product Details

Cosworth has a well-established name in the motorsports industry due to their rich racing history. Their race engine program expands to over 50 years of engine design and manufacturing experience, and the manufacturing process creates some of the best pistons available in the industry.

These are the EJ25 pistons that feature the 8.2:1 compression ratio, and have been designed and engineered to withstand long periods of high performance driving conditions. All Cosworth pistons are engineered and manufactured using the same methods as their Formula One pistons, and one of the better features of the EJ25 piston is the anti-scuff coating, polished tops, as well as patented anti-detonation bands. Furthermore, these pistons endure a forging process to minimize weight, to make for one of the strongest pistons available. 

Specifications

Brand: Cosworth
Anti-Friction Coating: Yes
Bore Size: 100mm
Compression Ratio: 8.2:1
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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QUESTIONS & ANSWERS

  • Q: Alloy   WRX8 months ago

    Are these pistons constructed with 4032 alloy and will they fit with Manley rods?
    • 0 of 0 people found the following answer helpful

      A:  The pistons are made from a 2618 alloy variant that is proprietary to Cosworth. The pistons will work with any stock or aftermarket rod as long as those rods are compatible with stock pistons.

      Kirill C. @ Cosworth 8 months ago  
        
      Was this answer helpful?

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