JE Pistons
JE Pistons SUB STI EJ257 99.5mm Bore CR 8.5 KIT Set of 4 Pistons - 291061
- SKU:
- JEP291061
- UPC:
- 291061
- MPN:
- 291061
- Availability:
- Regularly stocked product
Description
Do these pistons come with rings?
JE Piston Sets - Forged - 4cyl typically include high-quality piston rings, but always confirm specific application details before purchase.
How much horsepower can these pistons handle?
Forged Piston Sets - Forged - 4cyl are engineered to withstand extreme stress, delivering enhanced engine durability for high-horsepower applications.
JE Piston Sets - Forged - 4cyl are engineered for maximum strength and performance in Subaru vehicles, achieving a top score of 9 for engine performance. Featuring a proprietary forged side relief design and reduced skirt width, these pistons ensure superior durability and optimal power delivery for demanding conditions.
What Owners Say
Owners and enthusiasts consistently praise JE pistons for their reliability and performance potential, with many shops running them exclusively due to their proven track record. Engine builders appreciate their quality construction and design, noting they tend to run quieter than some competing forged options. Users report these pistons effectively unleash an engine's potential, particularly in naturally aspirated and forced induction builds when paired with proper tuning. While some enthusiasts have explored hybrid variants with curiosity about long-term durability, the consensus remains that JE pistons deliver dependable performance across various applications. Their reputation in the performance community remains solidly established among those building serious power.
Key Features
- Proprietary Forged Side Relief (FSR) forging design
- reduced skirt width
- Accumulator groove (depending on application)
- Skirt coating (depending on application)
- Forged in the USA using 2618 aluminum
- Designed specifically for each engine and use application
Why Choose the JE Piston Sets -4 Cyl
Delivers enhanced engine durability and reliability under extreme stress.
Achieves smoother engine operation and reduced friction for optimal power.
Provides superior piston-to-cylinder wall clearance for improved performance.
Transforms your engine's potential with precision-engineered, American-made components.
Who Is This For?
Street Performance — 8/10
Forged design for maximum strength and performance.
Track / Autocross — 8/10
Engineered for high-performance applications.
Drag Racing — 8/10
Proprietary forged design for maximum strength.
Racing Competition — 8/10
Designed for maximum strength and performance.
Engine Performance — 9/10
Proprietary forged designs for maximum strength.
Frequently Asked Questions
Will the JE Pistons JE Piston Sets -4 Cyl fit my vehicle?
Confirming fitment with your specific vehicle is the essential first step for optimal performance and compatibility. Our technical specialists can verify compatibility, ensuring a perfect match for your engine build. This precision guarantees your investment meets exacting standards.
How difficult is the JE Pistons JE Piston Sets -4 Cyl installation?
Professional installation is strongly recommended to ensure proper integration and peak performance. This advanced level of installation guarantees your engine's new components are set up by qualified technicians. Trust expert hands for superior engine assembly.
What performance improvement does the JE Piston Sets -4 Cyl provide over stock?
These pistons deliver enhanced engine performance, achieving a high score of 9 for overall Engine Performance. Their proprietary forged designs are engineered for maximum strength and output. Experience transformed engine potential with these precision components.
Is the JE Pistons JE Piston Sets -4 Cyl worth upgrading from OEM?
Upgrading to these forged pistons is an excellent investment for enhanced engine durability and reliability under extreme stress. Their 2618 aluminum construction offers superior strength and reduced friction compared to stock components. This upgrade ensures your engine can handle demanding driving conditions.
What material are the JE Pistons JE Piston Sets -4 Cyl made from?
Forged in the USA using high-strength 2618 aluminum, these pistons provide exceptional durability. This advanced material ensures enhanced engine reliability even under extreme stress. Rely on American-made quality for superior engine components.
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 |
Clearance Item: |
N |
MPN: |
291061 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Track / Autocross: |
8/10 |
Drag Racing: |
8/10 |
Racing Competition: |
8/10 |
Engine Performance: |
9/10 |
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