JE Pistons

JE Pistons Honda L15B Turbo 73mm Bore 10.3:1 CR -9.6cc Dome Piston Set - Set of 4 - 357429

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SKU:
JEP357429
UPC:
193564005540
MPN:
357429
Availability:
Regularly stocked product
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$899.99
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Description

Are these pistons compatible with my specific vehicle?
JE Piston Sets - Forged - 4cyl require careful confirmation of fitment for your exact vehicle application to ensure optimal performance.

What is the recommended installation process for these pistons?
Professional installation is strongly recommended for JE Piston Sets - Forged - 4cyl to guarantee proper seating and maximize explosive power delivery.

JE Piston Sets - Forged - 4cyl are engineered for ultimate engine performance, delivering a 10.3:1 compression ratio with a 73mm bore for explosive power. Crafted from 2618 aluminum using a proprietary FSR forging design, these pistons ensure superior durability and reduced friction. Trust these pistons for unparalleled engine output and a significantly enhanced driving experience.

What Owners Say

JE Pistons earn strong praise from engine builders and enthusiasts who appreciate their proven reliability and consistent performance. Owners report that JE pistons run quieter than some competing forged designs, making them a preferred choice at professional shops. Those upgrading to JE piston sets highlight how they truly unleash an engine's potential, particularly for naturally aspirated and boosted applications alike. The hybrid versions generate particular interest for their durability under high power conditions when paired with proper tuning. While some users note that past fitment issues occurred occasionally, these are typically attributed to installation rather than manufacturing defects. JE maintains a solid reputation as a go-to choice for serious performance builds.

Key Features

  • Proprietary Forged Side Relief (FSR) forging design
  • Accumulator groove (depending on application)
  • Skirt coating (depending on application)
  • Forged in the USA using 2618 aluminum

Why Choose the JE Piston Sets -4 Cyl

Delivers enhanced piston stability and reduced friction for smoother engine operation.

Achieves optimized ring seal and reduced oil consumption for a cleaner burn.

Provides superior skirt durability and reduced noise for a quieter, more reliable ride.

Transforms your engine's potential with American-made, high-strength aluminum construction.

Who Is This For?

Street Performance — 9/10
Forged 2618 aluminum, FSR design, performance claim.

Track / Autocross — 9/10
Forged 2618 aluminum, FSR design, performance claim.

Drag Racing — 9/10
Forged 2618 aluminum, FSR design, performance claim.

Racing Competition — 9/10
Forged 2618 aluminum, FSR design, performance claim.

Engine Performance — 10/10
Forged 2618 aluminum, FSR design, performance claim.

High Speed Desert Running — 8/10
Forged 2618 aluminum, FSR design, performance claim.

Frequently Asked Questions

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

Confirming precise fitment with your vehicle is essential for optimal performance and engine health. Always verify compatibility with a qualified technician prior to purchase to ensure a proper installation and seamless integration.

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

Professional installation is recommended for JE Piston Sets -4 Cyl to guarantee precision and adherence to exacting standards. Consulting a qualified technician ensures correct seating and torque specifications for peak engine operation.

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

These pistons deliver explosive power, achieving a 10.3:1 compression ratio for a 73mm bore, ideal for Street Performance applications scoring a 9. This transforms your engine's potential with American-made, high-strength aluminum.

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

Upgrading to these forged pistons is worth it for enhanced engine power and durability. The proprietary Forged Side Relief (FSR) design provides superior skirt durability and reduced noise, offering a quieter, more reliable ride.

What makes JE Pistons JE Piston Sets -4 Cyl ideal for Engine Performance?

These pistons are ideal for Engine Performance due to their construction from 2618 aluminum and the FSR design, achieving a score of 10. This combination delivers enhanced piston stability and reduced friction for smoother engine operation.

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:
357429
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Piston Sets - Forged - 4cyl
Universal Fitment:
Y
Product Level:
Premium Performance
Street Performance:
9/10
Track / Autocross:
9/10
Drag Racing:
9/10
Racing Competition:
9/10
Engine Performance:
10/10
High Speed Desert Running:
8/10
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