Fits Subaru WRX models equipped with the EJ205 engine.

Engineered for high-output racing and performance street applications, this JE Pistons forged piston set is machined from 2618 T6 high-tensile aluminum to withstand the extreme pressures of forced induction. Utilizing a proprietary Forged Side Relief (FSR) design, these pistons minimize friction and mechanical power loss through a reduced skirt width while shedding rotating mass via a shorter, high-strength wrist pin.

Each piston features a precision-machined accumulator groove to manage combustion gas pressure, effectively reducing ring flutter and maintaining a superior ring seal for consistent power delivery. This 92.5mm bore set is designed specifically for the Subaru 79mm stroke, providing optimized geometry and durability. These pistons are forged and machined 100% in the USA and include JE Pro Seal premium rings for a complete installation.

• Engine Application: Subaru EJ205
• Bore Diameter: 92.5mm
• Stroke: 79.0mm
• Compression Ratio: 8.5:1
• Material: 2618 Forged Aluminum
• Forging Style: Forged Side Relief (FSR)
• Quantity: Set of 4
• Manufacturer Part Number: 314447
• Includes: Pistons, JE Pro Seal rings, wrist pins, and locks

Fits Subaru EJ257 engines (WRX STI). This JE Pistons forged piston set is engineered for high-output engine builds requiring a 99.75mm bore (+0.25mm overbore) and a 9.5:1 compression ratio. Machined from high-tensile 2618 aluminum alloy, these pistons are specifically designed to withstand the increased cylinder pressures and thermal loads of performance-built flat-four engines.

This set utilizes JE's proprietary Forged Side Relief (FSR) design, which minimizes skirt width to reduce friction and power loss while saving weight via a shorter wrist pin. To ensure a consistent ring seal under boost, integrated accumulator grooves help manage pressure from combustion gases, preventing ring flutter. Each kit comes ready for installation with premium hardware and rings.

• Forged from high-strength 2618 aluminum alloy for maximum durability
• Forged Side Relief (FSR) design reduces friction and reciprocating weight
• 99.75mm bore size with 9.5:1 compression ratio
• Accumulator grooves reduce ring flutter and improve gas sealing
• Includes JE Pro Seal premium piston rings, wrist pins, and wire locks
• Manufacturer Part Number: 310937
• Engineered and manufactured 100% in the USA

Fits Subaru EJ257 engines found in WRX STI models requiring a standard 99.5mm bore.

Engineered for high-output racing applications, this JE Pistons forged piston set is manufactured from 2618 T6 high-tensile aluminum to withstand the extreme cylinder pressures of forced induction. Utilizing a proprietary Forged Side Relief (FSR) design, these pistons feature a reduced skirt width and shorter wrist pins to minimize friction and reciprocating weight without compromising structural integrity. The 9.5:1 compression ratio provides an optimized thermal efficiency for tuned EJ-series builds.

To ensure maximum ring life and power consistency, these pistons include an accumulator groove to manage combustion gas pressure and reduce ring flutter. The skirts are finished with a specialized coating to minimize wear on the cylinder walls and reduce operating noise during cold starts.

• Material: 2618 forged aluminum for superior tensile strength
• Bore Size: 99.50mm
• Compression Ratio: 9.5:1
• Design: Forged Side Relief (FSR) for reduced friction and weight
• Features: Integrated accumulator groove and skirt coating
• Included: Set of 4 pistons, high-quality wrist pins, wire locks, and JE Pro Seal premium rings
• Manufacturer Part Number: 310936
• Origin: 100% Engineered, forged, and machined in the USA

This JE Pistons Forged Piston Set is engineered specifically for Volkswagen 1.8T 20V engines, providing a high-strength foundation for high-performance builds. Forged and machined in the USA from 2618-T6 aluminum alloy, these pistons offer the superior tensile strength required to handle the increased cylinder pressures and heat common in turbocharged applications.

The proprietary Forged Side Relief (FSR) design reduces skirt width and weight, minimizing friction and reciprocating mass without compromising structural integrity. To ensure a reliable combustion seal, this kit includes JE Pro Seal premium piston rings and an accumulator groove to reduce ring flutter under high RPMs. Each kit comes complete with precision-machined wrist pins and locks for a full rotating assembly upgrade.

• Fits VW 1.8T 20V engines with 81.0mm bore
• Forged from 2618 aluminum for high-demand performance applications
• FSR (Forged Side Relief) design minimizes friction and power loss
• Accumulator groove reduces pressure between rings to prevent fluttering
• Skirt coating (depending on application) reduces wear and operating noise
• Includes JE Pro Seal premium piston rings, wrist pins, and locks
• Manufacturer Part Number: 302021
• 100% Made in the USA

Fits Nissan SR20DET engines.

Engineered for high-output racing and forced induction applications, this JE Pistons forged piston kit provides the thermal stability and structural integrity required for the Nissan SR20DET platform. Forged from high-tensile 2618 aluminum alloy, these pistons are designed to withstand extreme cylinder pressures while maintaining tight tolerances. The Forged Side Relief (FSR) design reduces skirt width and reciprocating weight without compromising strength, while integrated accumulator grooves manage combustion gases to prevent ring flutter and optimize ring seal.

• Forged from 2618-T6 aluminum for superior strength in high-horsepower applications
• FSR (Forged Side Relief) design minimizes friction and reciprocating mass
• Accumulator groove reduces pressure between the top and second ring to maintain ring seal
• Engineered for optimized durability in drift, drag, and track environments
• Precision-machined and manufactured 100% in the USA
• Includes high-quality wrist pins, wire locks, and JE Pro Seal premium piston rings
• Manufacturer Part Number: 298728

Fits BMW S52B32US engines (Found in North American E36 M3 models).

This JE Pistons Forged Piston Kit is engineered to provide a 9:1 compression ratio, making it an ideal choice for forced induction or high-output BMW S52B32US builds. Forged in the USA from high-tensile 2618 aluminum alloy, these pistons are built to handle the increased cylinder pressures and thermal loads of performance driving. The proprietary Forged Side Relief (FSR) design minimizes friction and power loss by reducing the skirt width, while also shedding weight with a shorter wrist pin.

Every piston incorporates an accumulator groove to manage combustion gas pressure, effectively reducing ring flutter and maintaining a superior seal for consistent power. The kit comes complete with JE Pro Seal premium piston rings, high-quality wrist pins, and wire locks for a comprehensive bottom-end upgrade.

• Engine Application: BMW S52B32US
• Compression Ratio: 9:1
• Material: 2618 Forged Aluminum
• Design: Forged Side Relief (FSR)
• Included Components: JE Pro Seal rings, wrist pins, and locks
• Manufacturing: 100% Made in the USA
• Manufacturer Part Number: 297171

Designed for the BMW S52B32US engine, this JE Pistons forged piston kit delivers a 9.0:1 compression ratio, making it a precision-engineered solution for forced induction or high-performance rebuilds. Each piston is forged and machined in the USA from 2618 T6 high-tensile aluminum alloy to provide the structural integrity required for extreme racing conditions.

These pistons feature a proprietary Forged Side Relief (FSR) design, which reduces reciprocating weight and minimizes friction through a narrowed skirt width. To ensure a consistent combustion seal, an integrated accumulator groove manages gas pressure to reduce ring flutter, while specialized skirt coatings protect against wear and reduce operating noise during cold starts and high-load operation.

• Forged from 2618 T6 aluminum for high tensile strength in performance applications.
• FSR (Forged Side Relief) forging reduces skirt friction and wrist pin weight.
• Accumulator groove reduces pressure from combustion gases to improve ring seal.
• Skirt coating minimizes friction and wear on piston skirts and cylinder walls.
• Complete kit includes JE Pro Seal premium piston rings, wrist pins, and wire locks.
• Manufacturer Part Number: 297170

Engineered for high-demand racing applications, this JE Pistons forged piston kit (MPN: 297051) is designed specifically for the Mitsubishi 4G63 engine found in the Evolution series. Forged and machined 100% in the USA from high-tensile 2618 aluminum, these pistons provide the thermal stability and structural integrity required for high-boost and high-RPM environments.

This kit utilizes JE's proprietary Forged Side Relief (FSR) design. This architecture features a reduced skirt width to minimize friction and power loss, combined with a shorter wrist pin to shed reciprocating weight without compromising the piston's ability to handle extreme combustion pressures.

• Forged from 2618 aluminum alloy for superior strength-to-weight performance.
• Proprietary FSR forging design reduces friction and reciprocating mass for faster revving.
• Integrated accumulator groove helps manage combustion gas pressure to minimize ring flutter and improve seal.
• Skirt coating (application dependent) reduces wear on piston skirts and cylinder walls.
• Complete kit includes premium JE Pro Seal piston rings, high-quality wrist pins, and wire locks.
• 100% engineered, forged, and machined in the USA.

Fits Toyota 2JZ-GTE engines.

This JE Pistons Forged Piston Kit (MPN 296932) is engineered for high-demand performance and racing applications. Machined 100% in the USA from high-tensile 2618 aluminum alloy, these pistons utilize a proprietary Forged Side Relief (FSR) design. This architecture reduces skirt width and allows for a shorter wrist pin, significantly decreasing reciprocating weight and friction for improved power delivery.

• Precision Engineering: Designed specifically for the Toyota 2JZ-GTE engine to ensure optimized durability and performance at an 8.5:1 compression ratio.
• FSR Forging: Minimizes power loss and friction while maintaining the structural integrity required for forced induction or high-output builds.
• Pressure Management: Features an accumulator groove to reduce combustion gas pressure between the rings, preventing ring flutter and maintaining a consistent seal.
• Material Strength: Forged from 2618 aluminum to withstand the extreme thermal and mechanical stresses of professional racing.
• Complete Set: Includes 6 pistons, high-quality wrist pins, wire locks, and a JE Pro Seal premium piston ring set.

Designed specifically for Subaru hybrid builds using an EJ257 block with EJ20 heads, this JE Pistons set provides the durability required for high-performance racing and street applications. These pistons are forged from 2618-T6 aluminum, offering the high tensile strength necessary for high-boost environments. The 99.75mm bore and 8.5:1 compression ratio offer a proven balance of performance and reliability.

• Fits Subaru hybrid engines (EJ257 block with EJ20 heads)
• Forged from 2618 aluminum for high-demand performance
• Proprietary Forged Side Relief (FSR) design reduces friction and reciprocating weight
• Accumulator grooves help manage combustion pressure and reduce ring flutter
• Includes JE Pro Seal premium piston rings, high-quality wrist pins, and wire locks
• Precision-engineered and manufactured in the USA
• Bore Size: 99.75mm
• Compression Ratio: 8.5:1
• Manufacturer Part Number: 296349

Fits select 2002-2012 Subaru Forester, Impreza WRX/STI, and Legacy 2.5GT.

This JE Pistons kit is engineered specifically for the Subaru EJ257 engine, featuring a 99.75mm bore and 8.5:1 compression ratio. Forged from high-tensile 2618 aluminum, these pistons utilize the proprietary Forged Side Relief (FSR) design. This architecture reduces friction and power loss through a narrowed skirt width while shedding weight via a shorter wrist pin, providing a robust solution for high-boost performance applications. Each piston includes an accumulator groove to reduce pressure from combustion gases, preventing ring flutter and maintaining a consistent seal.

• Forged in the USA from 2618 T6 aluminum alloy for high-demand applications
• Bore Size: 99.75mm
• Compression Ratio: 8.5:1
• FSR (Forged Side Relief) design minimizes reciprocating mass and friction
• Integrated skirt coating reduces cylinder wall wear and operating noise
• Accumulator groove improves ring seal and power consistency
• Includes JE Pro Seal premium piston rings, wrist pins, and locks
• Manufacturer Part Number: 296348

Fits select 2002-2012 Subaru Impreza WRX/STI, Forester XT, and Legacy 2.5GT (EJ257).

Engineered for high-performance forced induction builds, this JE Pistons forged piston set (MPN 291062) provides the durability required for the Subaru EJ257 engine. Forged from high-tensile 2618 aluminum alloy, these 100mm bore pistons feature a 8.5:1 compression ratio designed to handle increased boost levels while maintaining structural integrity under high thermal loads.

• Proprietary Forged Side Relief (FSR) design reduces skirt width to minimize friction and overall weight.
• Accumulator grooves help manage combustion gas pressure, preventing ring flutter and ensuring a consistent ring seal.
• Integrated skirt coating reduces friction and wear on cylinder walls while dampening operating noise.
• Forged, machined, and engineered 100% in the USA from 2618 aluminum alloy.
• Complete kit includes high-quality wrist pins, locks, and a set of JE Pro Seal premium piston rings.

Fits select 2002-2012 Subaru Impreza WRX, WRX STI, Forester XT, and Legacy 2.5GT (EJ257).

Engineered for high-performance Subaru EJ257 builds, these JE Pistons are forged from 2618 aluminum alloy to provide the high tensile strength required for forced induction and racing applications. Utilizing a proprietary Forged Side Relief (FSR) design, these pistons minimize friction and power loss through reduced skirt width and shorter wrist pins, resulting in a lighter, more efficient rotating assembly without sacrificing durability.

• Bore Size: 99.5mm
• Compression Ratio: 8.5:1
• Material: 2618 forged aluminum for high-demand thermal loads
• FSR Technology: Forged Side Relief minimizes weight and friction
• Accumulator Groove: Relieves pressure from combustion gases to reduce ring flutter and improve seal
• Skirt Coating: Reduces friction and cylinder wall wear while dampening operating noise
• Complete Kit: Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Manufacturing: 100% engineered, forged, and machined in the USA
• Manufacturer Part Number: 291061

Fits 2004 Volkswagen R32 Base.

JE Pistons leverages over 75 years of experience to deliver these high-performance forged pistons for the VW R32 24V engine. Engineered and machined 100% in the USA from 2618 aluminum alloy, these pistons are designed to withstand the extreme cylinder pressures of forced induction or high-output naturally aspirated builds while maintaining precise tolerances.

• Forged Side Relief (FSR): Proprietary forging design minimizes friction and reciprocating weight with a reduced skirt width and shorter wrist pin.
• Material: Forged from 2618 aluminum for high tensile strength in demanding racing environments.
• Pressure Management: Accumulator grooves help reduce pressure from combustion gases, preventing ring flutter and maintaining a consistent ring seal.
• Included Components: This complete set of 6 pistons includes high-quality wrist pins, locks, and a JE Pro Seal premium piston ring set.
• Manufacturing: 100% engineered, forged, and machined in the USA.
• MPN: 279949

Fits the 2004 Volkswagen R32 Base.

Engineered for the demands of high-performance European engines, this JE Pistons forged piston kit is designed specifically for the VW 3.2L 24V VR6. Utilizing a proprietary Forged Side Relief (FSR) forging design, these pistons minimize friction and power loss through a reduced skirt width while saving reciprocating weight with a shorter wrist pin.

Constructed 100% in the USA from 2618 aluminum alloy, these pistons offer the high tensile strength required for forced induction or high-output racing applications. The 8.5:1 compression ratio provides an ideal foundation for turbocharged or supercharged builds, ensuring durability under extreme cylinder pressures. This complete set includes everything needed for a professional bottom-end refresh or performance build.

• 2618 Forged Aluminum: High-strength alloy optimized for high-demand racing environments.
• FSR Technology: Forged Side Relief design reduces skirt friction and overall piston weight.
• Accumulator Groove: Helps manage combustion gas pressure to reduce ring flutter and improve ring seal.
• Skirt Coating: Specifically applied to reduce friction and wear on cylinder walls while lowering operating noise.
• Complete Set: Includes premium wrist pins, locks, and a JE Pro Seal piston ring set.
• Manufacturer Part Number: 279946

Fits 1992-1999 Volkswagen Corrado SLC, Golf GTI VR6, Jetta GLX, and Passat GLX (2.8L VR6).

Built for high-demand racing and performance street applications, this JE Pistons forged piston kit provides the strength and thermal stability required for the narrow-angle VR6 engine. Forged from high-tensile 2618 aluminum in the USA, these pistons utilize a proprietary Forged Side Relief (FSR) design. This architecture reduces the skirt width to minimize friction and power loss while allowing for a shorter, lighter wrist pin to decrease reciprocating mass.

Each piston features an accumulator groove to manage combustion gas pressure, preventing ring flutter and ensuring a superior ring seal for consistent power delivery. The set comes complete with JE Pro Seal premium rings, high-quality wrist pins, and locks, providing a total solution for your bottom-end rebuild.

• Engineered and machined 100% in the USA
• Forged from high-strength 2618 aluminum alloy
• FSR (Forged Side Relief) design for reduced weight and friction
• Integrated accumulator groove for improved ring seating
• Includes JE Pro Seal piston rings, wrist pins, and locks
• Manufacturer Part Number: 186236

Fits select 1992-1999 Volkswagen Corrado SLC, Golf GTI VR6, Jetta GLX, and Passat GLX (2.8L VR6).

Built for high-demand performance applications, this JE Pistons forged piston kit (MPN 186235) provides the thermal stability and structural strength required for aggressive tuning and racing. Each piston is machined from 2618 aluminum alloy, offering the high tensile strength necessary for high-heat environments. The Forged Side Relief (FSR) design utilizes a shorter wrist pin and reduced skirt width to minimize friction and reciprocating weight without sacrificing durability.

• Forged in the USA from 2618 aluminum for superior strength under high combustion pressures
• FSR (Forged Side Relief) design reduces friction and saves weight
• Accumulator groove helps manage combustion gases to reduce ring flutter and improve seal
• Skirt coating (on select applications) minimizes wear on piston skirts and cylinder walls
• Engineered specifically for the VW 2.8L VR6 engine architecture
• Includes JE Pro Seal premium piston rings, high-quality wrist pins, and locks

Technical Specifications:
Manufacturer Part Number: 186235
Material: 2618 Aluminum Alloy
Quantity: Set of 6 Pistons