JE Pistons

JE Pistons SUB WRX EJ205 79mm STR 92.5mm Bore CR 8.5 KIT Set of 4 Pistons - 314447

(No reviews yet) Write a Review
SKU:
JEP314447
UPC:
314447
MPN:
314447
Availability:
Regularly stocked product
  • Photo - Primary
  • Photo - out of package
  • User 4
  • User 2
  • User 1
  • User 3
$899.99
Current Stock: 1

Sold Out

Frequently bought together:

Description

Will the JE Pistons JE Piston Sets -4 Cyl fit my vehicle?
Confirm your specific vehicle's fitment details with the provided application guide to ensure perfect integration of JE Piston Sets -4 Cyl.

How difficult is the JE Pistons JE Piston Sets -4 Cyl installation?
Professional installation is recommended for JE Piston Sets -4 Cyl to guarantee optimal performance and ensure proper engine integration.

JE Piston Sets -4 Cyl are engineered for your specific engine, delivering peak performance with a usage score of 9 for Engine Performance. Their proprietary forged side relief design and reduced skirt width enhance durability and smooth operation. Trust these advanced forged pistons for uncompromising reliability and enhanced output in demanding applications.

What Owners Say

Owners and enthusiasts consistently praise JE pistons for their proven reliability and performance across engine builds, with shops specifically choosing them as their go-to option for both street and performance applications. The hybrid line generates particular interest among builders looking to balance durability with power gains, while naturally aspirated users report these pistons genuinely unleash their engine's potential. Some note JE pistons run slightly louder than OEM due to their forged design and tighter tolerances, though this is accepted as a normal trade-off for the increased strength. JE has established itself as a trusted name in the piston market, backed by real-world success across diverse applications and power levels.

Key Features

  • Proprietary Forged Side Relief (FSR) forging design
  • reduced skirt width
  • Accumulator groove
  • Skirt coating
  • 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 conditions.

Achieves smoother engine operation and reduced friction for improved power delivery.

Provides superior piston-to-wall clearance for optimal performance and longevity.

Transforms your engine's responsiveness with a lighter, more efficient piston design.

Who Is This For?

Street Performance — 8/10
Forged design and specific application tuning enhance performance.

Track / Autocross — 8/10
Engineered for peak performance and reliability in demanding use.

Drag Racing — 8/10
Designed for high performance and reliability under stress.

Racing Competition — 8/10
Premium performance forged pistons for competitive environments.

Engine Performance — 9/10
Proprietary forging and specific application design optimize output.

Frequently Asked Questions

Will the JE Pistons JE Piston Sets -4 Cyl fit my vehicle?

Confirming exact vehicle fitment is essential for optimal performance and integration. Always consult a qualified technician to verify compatibility before installation, ensuring a precise match for your specific engine configuration.

How difficult is the JE Pistons JE Piston Sets -4 Cyl installation?

Professional installation is recommended for JE Pistons JE Piston Sets -4 Cyl to ensure proper setup and function. This advanced maintenance level guarantees the components are fitted correctly for peak engine output and reliability.

What performance improvement does the JE Piston Sets -4 Cyl provide over stock?

These pistons deliver significant engine performance gains, scoring a 9 for Engine Performance. Their proprietary forged design and specific application tuning optimize power delivery and enhance overall engine efficiency for demanding driving.

Is the JE Pistons JE Piston Sets -4 Cyl worth upgrading from OEM?

Upgrading to JE Pistons JE Piston Sets -4 Cyl is worth it for enhanced engine durability and reliability. The proprietary forged 2618 aluminum construction provides superior strength and performance under extreme conditions, exceeding OEM capabilities.

What is the primary material used in JE Pistons JE Piston Sets -4 Cyl?

JE Pistons JE Piston Sets -4 Cyl are forged in the USA using high-strength 2618 aluminum. This premium material ensures exceptional durability and reliability, delivering enhanced engine performance under extreme operating conditions.

Additional Resources

Official JE Pistons Product Page

Installation Guide (PDF)

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.

View AllClose

Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
314447
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Universal Fitment:
Y
Product Level:
Premium Performance
Street Performance:
8/10
Track / Autocross:
8/10
Drag Racing:
8/10
Racing Competition:
8/10
Engine Performance:
9/10
View AllClose

Related Products

Related Products