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Product images
Product Media
Cosworth Piston Ring Set 99.5mm Bore
Subaru EJ25 Turbo Models (inc. 2006-2014 WRX / 2004+ STI)
Product Resources
Features & Product Details
RallySport Direct is your #1 source for high-performance components brought to you by Cosworth. Cosworth has established their brand with over 50 years of experience, design, and racing heritage.
On this page, you are looking at the Cosworth Piston Ring Set. This is a great option for those of you looking for a solid and proven product when rebuilding your engine.
Here are the details:
For use with Cosworth Piston Part Number 20003674 only.
Specifications
Brand:
Cosworth
Bore Size:
99.5mm
QTY:
4 Sets
Mfgr. Warranty:
No Warranty
Condition:
New Product
Return Policy:
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.
Standard
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
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Q: Ring gap? Allen Lish4 years ago
Will these rings already be gapped to proper size for an EJ25 engine?
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0 of 0 people found the following answer helpful
A: You will be required to gap the rings for your setup.
Nick S. @ RallySport Direct 4 years agoWas this answer helpful?
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0 of 0 people found the following answer helpful
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Q: ej251 elizondj56 years ago
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1 of 1 people found the following answer helpful
A: These rings will fit 99.5mm Cosworth pistons for Subaru 2.5L engines. There should be no problem using the pistons and rings on the EJ251 engine, but we cannot guarantee fitment because Cosworth does not.
Zach G. @ RallySport Direct 5 years agoWas this answer helpful?
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1 of 1 people found the following answer helpful
