JE Pistons

JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25

JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
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JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25
JE Pistons

JE Pistons Subaru EJ25 Ultra Series 99.50mm Bore Dia -16.5cc 8.5:1 Piston Set — Fits Subaru EJ25

SKU: JEP361327
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About JE Pistons JE Pistons engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

About JE Pistons

JE Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JE Pistons lineup with fast shipping and expert fitment support — order with confidence.

JE Pistons Ultra Series Forged Piston Set for Subaru EJ25

Maximize the performance of your Subaru EJ25 engine with the JE Pistons Ultra Series forged piston set. These pistons are engineered for extreme power and durability, making them ideal for high-horsepower racing applications. Featuring advanced technology and superior materials, they ensure your engine can handle the most demanding conditions.

Key Features:

  • Optimized for High Power: Every aspect of the Ultra Series pistons is designed to excel in high-horsepower racing environments.
  • Aligned Grain Flow Technology: This exclusive JE forging process enhances tensile strength, providing exceptional resistance to stress.
  • Friction-Reducing Skirt Coating: Minimizes wear and friction on piston skirts and cylinder walls, while also reducing operating noise.
  • Thermal Barrier Crown Coating: A ceramic-based coating reflects heat back into the combustion chamber, lowering piston crown temperatures and improving exhaust scavenging.
  • High-Strength Wrist Pins: Includes premium, thick-wall wrist pins from Trend Performance (USA) designed for high-performance engine demands.

This set is designed for the Subaru EJ25 engine, featuring a 99.50mm bore diameter, a -16.5cc dish, and an 8.5:1 compression ratio. Trust JE Pistons' cutting-edge technology to deliver the performance and reliability your Subaru deserves. Find these exceptional pistons at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About JE Pistons

JE Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JE Pistons lineup with fast shipping and expert fitment support — order with confidence.

JE Pistons Ultra Series Forged Piston Set for Subaru EJ25

Maximize the performance of your Subaru EJ25 engine with the JE Pistons Ultra Series forged piston set. These pistons are engineered for extreme power and durability, making them ideal for high-horsepower racing applications. Featuring advanced technology and superior materials, they ensure your engine can handle the most demanding conditions.

Key Features:

  • Optimized for High Power: Every aspect of the Ultra Series pistons is designed to excel in high-horsepower racing environments.
  • Aligned Grain Flow Technology: This exclusive JE forging process enhances tensile strength, providing exceptional resistance to stress.
  • Friction-Reducing Skirt Coating: Minimizes wear and friction on piston skirts and cylinder walls, while also reducing operating noise.
  • Thermal Barrier Crown Coating: A ceramic-based coating reflects heat back into the combustion chamber, lowering piston crown temperatures and improving exhaust scavenging.
  • High-Strength Wrist Pins: Includes premium, thick-wall wrist pins from Trend Performance (USA) designed for high-performance engine demands.

This set is designed for the Subaru EJ25 engine, featuring a 99.50mm bore diameter, a -16.5cc dish, and an 8.5:1 compression ratio. Trust JE Pistons' cutting-edge technology to deliver the performance and reliability your Subaru deserves. Find these exceptional pistons at GGCRACING.

Product Details

Product Description

About JE Pistons

JE Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JE Pistons lineup with fast shipping and expert fitment support — order with confidence.

JE Pistons Ultra Series Forged Piston Set for Subaru EJ25

Maximize the performance of your Subaru EJ25 engine with the JE Pistons Ultra Series forged piston set. These pistons are engineered for extreme power and durability, making them ideal for high-horsepower racing applications. Featuring advanced technology and superior materials, they ensure your engine can handle the most demanding conditions.

Key Features:

  • Optimized for High Power: Every aspect of the Ultra Series pistons is designed to excel in high-horsepower racing environments.
  • Aligned Grain Flow Technology: This exclusive JE forging process enhances tensile strength, providing exceptional resistance to stress.
  • Friction-Reducing Skirt Coating: Minimizes wear and friction on piston skirts and cylinder walls, while also reducing operating noise.
  • Thermal Barrier Crown Coating: A ceramic-based coating reflects heat back into the combustion chamber, lowering piston crown temperatures and improving exhaust scavenging.
  • High-Strength Wrist Pins: Includes premium, thick-wall wrist pins from Trend Performance (USA) designed for high-performance engine demands.

This set is designed for the Subaru EJ25 engine, featuring a 99.50mm bore diameter, a -16.5cc dish, and an 8.5:1 compression ratio. Trust JE Pistons' cutting-edge technology to deliver the performance and reliability your Subaru deserves. Find these exceptional pistons at GGCRACING.

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