JE Pistons

JE Pistons Toyota 4U-GSE 86.00mm Bore STD Size 12.5:1 CR -1.0cc Dome FSR Piston (Set of 4) - 359152

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SKU:
JEP359152
UPC:
193564035219
MPN:
359152
Availability:
Regularly stocked product
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$899.99
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Description

What is the difference between forged and cast pistons?
Forged pistons are stronger and more durable due to their manufacturing process, making them ideal for high-performance applications and extreme conditions.

How do I confirm if these pistons will fit my vehicle?
Confirm fitment for your specific engine and racing application using our compatibility tools to ensure a precise match.

JE Piston Sets - 4 Cyl, engineered 100% in the USA, deliver ultimate reliability and performance for track and drag racing applications with a score of 9. Featuring proprietary Forged Side Relief (FSR) designs, these pistons achieve improved ring seal and reduced blow-by for maximum power output. Trust in unparalleled strength and durability for your demanding engine build.

What Owners Say

Owners and enthusiasts consistently praise JE Pistons for their proven reliability and performance, with many shops running them exclusively for builds ranging from street to high-power applications. The pistons are recognized for unleashing an engine's full potential, particularly in naturally aspirated setups, and are valued for their quality construction. Some users note that JE's design tends to run quieter than competing forged pistons, which is appreciated for street-driven builds. While occasional fitment concerns have been mentioned, these are typically attributed to installation rather than manufacturing issues. Overall, JE Pistons have earned a strong reputation in the performance community as a dependable choice for serious engine builds.

Key Features

  • Proprietary Forged Side Relief (FSR) forging design
  • Accumulator groove
  • Skirt coating
  • Designed for each specific engine and racing application
  • Engineered forged and machined 100% in the USA

Why Choose the JE Piston Sets -4 Cyl

Delivers enhanced piston strength and durability for extreme racing conditions.

Achieves improved ring seal and reduced blow-by for maximum power output.

Provides reduced friction and wear for a smoother, more responsive engine.

Transforms your engine's potential with pistons engineered for your specific application.

Who Is This For?

Track / Autocross — 9/10
Proprietary forging design for ultimate performance and reliability.

Drag Racing — 9/10
Engineered for high performance and reliability in racing.

Racing Competition — 9/10
Designed for specific racing applications, ultimate reliability.

Street Performance — 8/10
Forged design enhances performance and reliability for street use.

Engine Performance — 9/10
Proprietary forging and USA engineering for ultimate performance.

Frequently Asked Questions

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

Confirming precise fitment is crucial for optimal performance. Always verify compatibility with your specific vehicle's engine specifications before purchase. These pistons are engineered for exact application fitment, ensuring a direct integration.

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

Professional installation is strongly recommended for these advanced engine components. This ensures proper setup and calibration, aligning with the 'Advanced' maintenance level indicated. A qualified technician will guarantee precise assembly for peak performance.

What performance improvements can I expect from JE Pistons JE Piston Sets -4 Cyl over stock?

Expect a significant boost in 'Engine Performance' with a score of 9. The proprietary forged design and accumulator groove enhance power output and durability. These pistons transform your engine's potential for demanding racing applications.

What makes the JE Pistons JE Piston Sets -4 Cyl suitable for demanding applications?

Engineered forged and machined 100% in the USA, these pistons deliver ultimate reliability and performance. Their proprietary forged side relief (FSR) design and skirt coating ensure enhanced durability for extreme conditions. This engineering transforms your engine's potential.

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.

Browse More: Shop All Piston Sets - Forged - 4cyl — Engine Components

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
359152
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:
9/10
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