JE Pistons

JE Pistons Ultra Series Subaru EJ257 99.75mm Bore 9.5:1 CR Set of 4 Pistons - 361331

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SKU:
JEP361331
UPC:
361331
MPN:
361331
Availability:
Regularly stocked product
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$1,124.99
Current Stock: 1

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Description

Are JE Pistons Forged Piston Sets compatible with all 4-cylinder engines?
JE Pistons Forged Piston Sets are precision-engineered for specific 4-cylinder engine applications; always confirm fitment with your vehicle before purchase.

Can I install JE Pistons Forged Piston Sets myself?
Professional installation is strongly recommended for JE Pistons Forged Piston Sets to ensure optimal performance and reliability.

JE Pistons Forged Piston Sets deliver peak engine performance and unwavering reliability for 4-cylinder vehicles, especially excelling in racing with a perfect 10 score for engine performance. Featuring Ultra Series forged pistons with proprietary Aligned Grain Flow technology and thermal barrier crown coating, these sets provide extreme durability. Experience unmatched engine output and steadfast reliability for demanding applications.

What Owners Say

Owners and enthusiasts consistently praise JE pistons for their durability and performance potential, with engine builders specifically favoring them for reliability in high-performance builds. Users report that JE pistons run quieter than some competing forged options and effectively unleash an engine's true potential, particularly in naturally aspirated applications. The hybrid piston lineup has generated interest for its balance of strength and refinement, though some enthusiasts remain cautious and seek long-term feedback before committing. Multiple shops and tuners rely exclusively on JE piston sets for their customer builds, which speaks volumes about professional confidence in the brand's quality and consistency under demanding conditions.

Key Features

  • Ultra Series forged pistons
  • proprietary Aligned Grain Flow forging technology
  • thermal barrier crown coating
  • skirt coating
  • gas ports
  • High-Strength Wrist Pins

Why Choose the JE Piston Sets -4 Cyl

Delivers extreme durability and reliability under demanding conditions.

Achieves superior thermal management for consistent power output.

Provides enhanced combustion efficiency for a more responsive engine.

Maximizes engine longevity with advanced material and design.

Who Is This For?

Track / Autocross — 9/10
Forged construction and thermal barrier crown coating enhance performance.

Drag Racing — 9/10
Forged construction and high-strength wrist pins support high stress.

Racing Competition — 9/10
Forged construction and gas ports optimize engine performance.

Street Performance — 8/10
Forged construction and coatings improve engine performance.

Engine Performance — 10/10
Proprietary forging and coatings maximize engine performance.

Frequently Asked Questions

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

Confirm vehicle fitment for the JE Pistons JE Piston Sets -4 Cyl by consulting your vehicle's specifications and a qualified technician. Accurate fitment ensures optimal performance and proper integration with your engine. This guarantees a precise match for your specific application.

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

Professional installation is recommended for the JE Pistons JE Piston Sets -4 Cyl by a qualified technician. Proper installation is critical to realizing the full benefits of their advanced design and materials. This ensures your engine operates at peak capability.

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

Experience a significant performance upgrade with a score of 10 for Engine Performance, driven by proprietary Aligned Grain Flow forging. These pistons are engineered to maximize combustion efficiency and power output. Achieve your engine's ultimate potential with this advanced component.

What are the key features of the JE Pistons JE Piston Sets -4 Cyl?

These Ultra Series forged pistons feature proprietary Aligned Grain Flow forging technology for extreme durability. They also include a thermal barrier crown coating, skirt coating, and gas ports for superior thermal management and enhanced combustion efficiency. These elements maximize engine longevity.

Additional Resources

Official JE Pistons Product Page

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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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
361331
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Universal Fitment:
Y
Product Level:
Premium Performance
Track / Autocross:
9/10
Drag Racing:
9/10
Racing Competition:
9/10
Street Performance:
8/10
Engine Performance:
10/10
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