JE Pistons
JE Pistons SUB STI EJ257 99.75mm Bore CR 9.5 KIT Set of 4 Pistons - 310937
- SKU:
- JEP310937
- UPC:
- 310937
- MPN:
- 310937
- Availability:
- Regularly stocked product
Description
Do JE Piston Sets -4 Cyl require any modifications for installation?
JE Piston Sets -4 Cyl are engineered for specific engines; confirm exact fitment and consult professional installation guidelines before proceeding.
What is the expected performance gain from installing JE Piston Sets -4 Cyl?
Achieve optimal ring seal and reduced blow-by, delivering maximum power output for demanding racing applications.
JE Piston Sets -4 Cyl, engineered for specific racing applications, deliver peak performance and reliability for your 4-cylinder engine. Featuring a proprietary FSR forging design and 2618 aluminum construction, these pistons ensure enhanced strength and durability. Trust these USA-machined pistons for superior engine output and confidence.
What Owners Say
JE Pistons earn strong respect among enthusiasts who value their proven reliability and quieter operation compared to some alternatives. Owners confirm these piston sets come complete with rings, adding to their value proposition. Engine builders consistently choose JE for their quality and consistent performance, with shops running them as their standard offering. While some users have encountered isolated issues—though not always manufacturer-related—the overall consensus points to flawless operation when properly installed and tuned. Those pushing serious power appreciate how these forged pistons hold up under demanding conditions where OEM components would fail, making JE a trusted choice in the performance community.
Key Features
- Proprietary Forged Side Relief FSR forging design
- Accumulator groove depending on application
- Skirt coating depending on application
- Engineered forged and machined 100% in the USA
- Designed for each specific engine and racing application
- Forged in USA using 2618 aluminum
Why Choose the JE Piston Sets -4 Cyl
Delivers enhanced piston strength and durability for extreme racing conditions.
Achieves optimal ring seal and reduced blow-by for maximum power output.
Provides superior piston-to-wall clearance for smoother engine operation and longevity.
Transforms your engine's potential with precision-engineered components built for victory.
Who Is This For?
Track / Autocross — 9/10
Engineered for specific racing applications, peak performance.
Drag Racing — 9/10
Engineered for specific racing applications, peak performance.
Racing Competition — 9/10
Engineered for specific racing applications, peak performance.
Street Performance — 8/10
Forged design and 2618 aluminum for enhanced performance.
Engine Performance — 9/10
Proprietary forging and specific engine design for peak output.
Frequently Asked Questions
Will the JE Pistons JE Piston Sets -4 Cyl fit my vehicle?
Confirm fitment with your vehicle by consulting your qualified technician for precise compatibility. This ensures proper integration with your specific engine configuration. Trust in a tailored fit for optimal performance.
How difficult is the JE Pistons JE Piston Sets -4 Cyl installation?
Professional installation is recommended for JE Piston Sets -4 Cyl. Confirm the process with a qualified technician for a secure and accurate build. This ensures the advanced engineering performs as intended.
What performance improvement does the JE Piston Sets -4 Cyl provide over stock?
Engineered for peak performance, these pistons achieve a score of 9 for Track/Autocross and Drag Racing. They transform your engine's potential with precision-engineered components built for victory. Experience a significant uplift in power.
What advanced maintenance is required for JE Pistons JE Piston Sets -4 Cyl?
An advanced maintenance level is required for these high-performance pistons, reflecting their specialized design for demanding applications. This ensures optimal ring seal and reduced blow-by for maximum power output. Invest in precision for longevity.
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: |
310937 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Universal Fitment: |
Y |
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