JE Pistons
JE Pistons 2012+ Subaru FA20E/FA20F Bore 86.25, Size +0.25, Stroke 86, 10.6:1 C/R -10.0CC (Set of 4) - 359189
- SKU:
- JEP359189
- UPC:
- 193564032171
- MPN:
- 359189
- Availability:
- Regularly stocked product
Description
Will these pistons fit my 2005 Subaru WRX STI?
Confirm vehicle fitment using our detailed application guide before purchasing these JE Piston Sets - 4 Cyl.
Are these pistons difficult to install?
Professional installation is recommended for these JE Piston Sets - 4 Cyl to ensure optimal performance and durability.
JE Piston Sets - 4 Cyl for your vehicle achieve a 10.6:1 compression ratio for significant power gains, scoring a 10 for Engine Performance. Featuring proprietary 2618 aluminum and FSR forging design, these pistons offer superior thermal stability. Upgrade your 4-cylinder engine with confidence for unmatched power and lasting durability.
What Owners Say
JE Pistons earn strong recommendations from enthusiasts who value their reliable design and proven track record in high-performance builds. Owners appreciate how these forged pistons unlock an engine's potential, particularly in demanding applications where proper tuning is essential. Some note that JE pistons run quieter than competing designs due to their piston skirt configuration, making them a preferred choice for builders prioritizing both performance and refinement. While isolated fitment concerns have surfaced occasionally, these are typically attributed to specific build circumstances rather than manufacturing defects. Overall, JE Pistons maintain a solid reputation among the performance community for quality construction and dependable results across naturally aspirated and boosted applications.
Key Features
- Proprietary Forged Side Relief FSR forging design
- Accumulator groove
- Skirt coating
- 2618 aluminum
- 2012+ Subaru FA20E/FA20F Bore 86.25, Size +0.25, Stroke 86, 10.6:1 C/R -10.0CC
- Piston Set, 2618, Dome, 3.396 Bore, 1.287 CD, 0.866 Pin, Set of 4
Why Choose the JE Piston Sets -4 Cyl
Delivers enhanced engine durability and sustained peak performance under extreme conditions.
Achieves smoother engine operation and reduced friction for a more refined driving feel.
Provides superior thermal stability and resistance to detonation for aggressive tuning.
Maximizes power output and responsiveness for an exhilarating acceleration experience.
Who Is This For?
Street Performance — 9/10
Forged design and 10.6:1 C/R for power gains.
Engine Performance — 10/10
Proprietary forging, 2618 aluminum, 10.6:1 C/R.
Racing Competition — 9/10
Premium performance forged design for demanding use.
Track / Autocross — 8/10
Forged design and skirt coating for durability.
Drag Racing — 8/10
Forged design and 2618 aluminum for high stress.
Frequently Asked Questions
Will the JE Pistons JE Piston Sets -4 Cyl fit my 2012+ Subaru FA20E/FA20F engine?
These JE Piston sets are designed specifically for the 2012+ Subaru FA20E/FA20F, featuring an 86.25mm bore with a +0.25 size and an 86mm stroke for a 10.6:1 compression ratio. Confirm fitment with your specific vehicle for absolute certainty. This ensures precise compatibility for optimal performance.
How difficult is installing the JE Pistons JE Piston Sets -4 Cyl?
Professional installation is recommended for these JE Piston Sets -4 Cyl, requiring confirmation with a qualified technician. This advanced maintenance level ensures proper integration for maximum engine performance. Proper installation guarantees the full benefit of the forged design.
What performance improvement can I expect from the JE Pistons JE Piston Sets -4 Cyl over stock?
Engine performance receives a significant boost with these pistons, achieving a score of 10 out of 10 for Engine Performance. The proprietary forged side relief (FSR) design and 2618 aluminum contribute to substantial power gains and sustained peak performance. Experience an exhilarating acceleration with this upgrade.
What are the key materials used in the JE Pistons JE Piston Sets -4 Cyl?
These JE Piston sets are constructed from high-strength 2618 aluminum, renowned for its durability and thermal stability. The proprietary forged side relief (FSR) forging design further enhances their resilience. Trust in premium forged materials for demanding use cases.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Clearance Item: |
N |
MPN: |
359189 |
Proposition 65: |
Y |
Universal Fitment: |
Y |
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