Description
What is the bore size of these JE Pistons?
These JE Piston Sets feature a precise 3.248 inch bore, ensuring optimal fitment for enhanced engine performance and efficiency.
How difficult is it to install these pistons?
Install these JE Pistons with confidence as their drop-in type simplifies the installation process, allowing for a straightforward upgrade.
JE Piston Sets for 4-cylinder engines deliver optimal combustion efficiency for increased power output, achieving a score of 9 for Engine Performance. Constructed from premium 2618 aluminum with an inverted dome and a 3.248 inch bore, these pistons offer extreme durability and reliability under demanding conditions. Experience maximized engine performance and a confident upgrade for your build.
What Owners Say
Owners and enthusiasts consistently turn to JE pistons as a proven upgrade over factory components, particularly for high-boost applications where stock pistons are known to fail. Builders report reliable performance at 24+ psi with proper tuning, with JE's design offering quieter operation compared to some competitors. The pistons are frequently mentioned alongside successful hybrid builds, handling serious power when paired with quality tuning. While they require appropriate piston-to-wall clearances like any forged piston, shops specializing in performance builds consistently choose JE as their go-to option. The brand has earned strong trust in the Subaru community for delivering durability where OEM components fall short.
Key Features
- 2618
- Inv Dome/Dish
- 3.248 Bore
- 1.165 CD
- 0.866 Pin
- Set of 4
Why Choose the JE Piston Sets -4 Cyl
Delivers extreme durability and reliability under demanding conditions.
Achieves optimal combustion efficiency for increased power output.
Maximizes engine performance with a precise 3.248 inch bore.
Provides a robust foundation for high-horsepower builds.
Who Is This For?
Street Performance — 8/10
Premium performance pistons for increased power output.
Track / Autocross — 8/10
Designed for high performance and optimal combustion efficiency.
Drag Racing — 8/10
Premium performance pistons for increased power output.
Racing Competition — 8/10
Premium performance pistons for increased power output.
Engine Performance — 9/10
Achieves optimal combustion efficiency for increased 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 before purchasing JE Piston Sets -4 Cyl. Our online fitment tool is your best resource for ensuring exact compatibility. You can confidently proceed with installation once fitment is verified for your specific application.
How difficult is the JE Pistons JE Piston Sets -4 Cyl installation?
These JE Piston Sets -4 Cyl feature a drop-in install type. This design simplifies the installation process, making it accessible for many performance enthusiasts. Expect a straightforward upgrade with proper mechanical knowledge.
What performance improvement does the JE Piston Sets -4 Cyl provide over stock?
Significant engine performance gains are achieved with these pistons, evidenced by a high Engine Performance usage score of 9. Their design optimizes combustion efficiency for increased power output. Experience a noticeable uplift in your vehicle's capability.
Is the JE Pistons JE Piston Sets -4 Cyl worth upgrading from OEM?
Upgrading from OEM to JE Piston Sets -4 Cyl is highly recommended for enhanced performance. These forged pistons provide extreme durability and reliability under demanding conditions, offering a robust foundation for high-horsepower builds. This upgrade delivers substantial performance benefits.
What are the key material specifications for JE Piston Sets -4 Cyl?
These JE Piston Sets -4 Cyl are constructed from 2618 aluminum for extreme durability and reliability. They feature an Inv Dome/Dish design with a 3.248 inch bore, 1.165 inch CD, and 0.866 inch pin. This robust construction is ideal for demanding applications.
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.
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