JE Pistons
JE Pistons SUB STI EJ257 99.5mm Bore CR 9.5 KIT Set of 4 Pistons - 310936
- SKU:
- JEP310936
- UPC:
- 310936
- MPN:
- 310936
- Availability:
- Regularly stocked product
Description
What material are JE Piston Sets - 4cyl made from?
JE Piston Sets - 4cyl are meticulously crafted from superior 2618 aluminum alloy, ensuring exceptional strength and heat resistance for demanding performance applications.
Can I install JE Piston Sets - 4cyl myself?
Yes, JE Piston Sets - 4cyl offer a drop-in install type, simplifying the process for enthusiasts and allowing for quicker engine upgrades.
JE Piston Sets - 4cyl deliver ultimate engine reliability and peak power output, achieving a perfect score of 10 for Engine Performance. Their proprietary forged side relief (FSR) design, coupled with reduced skirt width and shorter wrist pins, maximizes stability and minimizes friction. Experience confidence in your build with these precision-engineered pistons.
What Owners Say
JE Pistons earn strong recommendations from enthusiasts building performance engines, with tuners consistently choosing them for reliability across various applications. Owners highlight how quality forged pistons like these unlock an engine's true potential, particularly in naturally aspirated and boosted setups. The hybrid piston design generates interest for its balance of strength and performance, though some note JE pistons run quieter than certain competing designs—a notable advantage for street-driven builds. While isolated fitment concerns have surfaced over the years, the consensus points to proper tuning being critical for maximizing any piston's longevity. JE's reputation as a go-to choice for serious builds remains well-established in the performance community.
Key Features
- Proprietary Forged Side Relief (FSR) forging design
- reduced skirt width
- shorter wrist pin
- Accumulator groove (depending on application)
- Skirt coating (depending on application)
- 2618 aluminum
Why Choose the JE Piston Sets -4 Cyl
Delivers enhanced piston stability and reduced friction for smoother engine operation.
Achieves quicker throttle response and improved power delivery through optimized piston mass.
Provides superior oil control and reduced blow-by for a cleaner, more efficient engine.
Transforms engine durability and longevity with advanced skirt lubrication and wear resistance.
Who Is This For?
Track / Autocross — 9/10
Forged design and 2618 aluminum for high performance.
Drag Racing — 9/10
Proprietary forged design for ultimate reliability and power.
Racing Competition — 9/10
Premium performance forged design for peak power output.
Street Performance — 8/10
Forged design enhances engine reliability and power.
Engine Performance — 10/10
Proprietary forged design for peak power output.
Easy DIY Install — 7/10
Drop-in install type simplifies installation process.
Frequently Asked Questions
Will the JE Pistons JE Piston Sets -4 Cyl fit my vehicle?
Confirm fitment with your vehicle for precise compatibility with JE Piston Sets -4 Cyl. These pistons are engineered for a drop-in install type, ensuring a direct replacement. Verify your vehicle's specific application for confidence in a perfect fit.
How difficult is the JE Pistons JE Piston Sets -4 Cyl installation?
Installation of JE Piston Sets -4 Cyl is simplified due to their drop-in install type. This design streamlines the fitting process for ease of integration. Experience a straightforward upgrade with these performance-focused pistons.
What performance improvement does the JE Piston Sets -4 Cyl provide over stock?
Experience peak power output with JE Piston Sets -4 Cyl, scoring a perfect 10 for 'Engine Performance.' Their proprietary forged design optimizes mass for quicker throttle response and enhanced power delivery. Achieve ultimate engine reliability and performance.
Is the JE Pistons JE Piston Sets -4 Cyl worth upgrading from OEM?
Upgrading to JE Piston Sets -4 Cyl is worth it for enhanced engine reliability and peak power output. Their proprietary forged design uses 2618 aluminum for superior strength and durability compared to OEM. Transform your engine's longevity and performance.
What are the key features of JE Piston Sets -4 Cyl?
Proprietary Forged Side Relief (FSR) design and reduced skirt width deliver enhanced piston stability and reduced friction. These features contribute to smoother engine operation and improved power delivery. Experience a refined and potent engine performance.
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: |
310936 |
Proposition 65: |
Y |
Universal Fitment: |
Y |
Install Type: |
Drop-In |
Product Level: |
Premium Performance |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Street Performance: |
8/10 |
Engine Performance: |
10/10 |
Easy DIY Install: |
7/10 |
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