Designed for Subaru FA24 engines, this set of four forged CP Pistons provides the structural integrity needed to handle increased boost and cylinder pressures. These pistons are engineered to withstand the thermal and mechanical stresses of high-performance driving, offering a significant strength upgrade over factory cast components.

The 94.1mm bore size is precision-machined to ensure an optimal ring seal and consistent compression across all cylinders. These pistons are manufactured to tight tolerances, providing the weight-balanced performance required for stable operation in built FA24 platforms.

• Engine Compatibility: Subaru FA24
• Bore Size: 94.1mm
• Quantity: Set of 4
• Material: Forged aluminum alloy
• Application: Performance and high-boost engine builds

Engineered for high-performance Nissan SR20VE and SR20VET engine builds, this CP Pistons set provides the precision and durability required for increased power levels. Designed to replace factory components during a rebuild or performance upgrade, these pistons are machined to exact tolerances to ensure optimal ring seal and thermal management within the cylinder.

• Fits Nissan SR20VE and SR20VET engines
• Bore Size: 86.5mm
• Compression Ratio: 9.0:1
• High-strength construction for improved reliability under load
• Precision-engineered for specific SR20 valve relief and crown requirements

Fits select VW 2.0L TSI engines.

Engineered for high-performance builds and increased boost levels, this Mahle Motorsport Piston Set provides the structural integrity and precision required for tuning the VW 2.0L TSI platform. Forged from high-strength alloys, these pistons are designed to manage significantly higher thermal and mechanical loads than factory cast components, making them a critical upgrade for any serious engine build.

• Bore: 83mm
• Stroke: 92.8mm
• Rod Length: 144mm
• Wrist Pin: 23mm
• Dome Volume: -7.1cc
• Compression Ratio: 9.6:1
• Engine Displacement: 2.0L
• Quantity: Set of 4

Engineered for high-performance builds, this Mahle Motorsport (MS) Piston Set is designed for VW 2.0L TSi engines requiring superior strength and thermal stability. These forged pistons are built to handle increased cylinder pressures in forced induction applications, featuring a 9.5:1 compression ratio that balances efficiency with knock resistance under boost.

• Engine Compatibility: VW 2.0L TSi
• Bore Diameter: 82.5mm
• Stroke: 92.8mm
• Connecting Rod Length: 144mm
• Wrist Pin Diameter: 23mm
• Piston Dish Volume: -7.1cc
• Compression Ratio: 9.5:1
• Quantity: Complete set of 4 pistons

Engineered for high-performance Subaru EJ25 builds, this Mahle Motorsport MS Piston Set is designed to withstand the increased thermal and mechanical loads of forced induction applications. These pistons feature a 99.75mm bore, making them the ideal choice for blocks requiring a +0.25mm overbore to restore cylinder wall integrity and ensure a perfect ring seal.

This set is specifically configured for use with a 79.0mm stroke and factory-length rods utilizing a 23mm wrist pin. The -22cc dish volume yields a boost-friendly 8.5:1 compression ratio, providing an excellent balance of off-boost response and tuning safety under high load.

• Engine Application: Subaru EJ25
• Bore Size: 99.75mm (+0.25mm oversize)
• Stroke: 79.0mm
• Rod Compatibility: Stock Rod (OE length)
• Wrist Pin Diameter: 23mm
• Piston Dish: -22cc
• Compression Ratio: 8.5:1
• Quantity: Complete set of 4

This Mahle Motorsport MS Piston Set is engineered for Subaru WRX 2.5L engines, providing the thermal stability and structural integrity required for high-performance and high-boost applications. These forged pistons are designed to handle increased cylinder pressures while maintaining precise clearances and oil control.

• Engine Compatibility: 2.5L
• Bore: 100mm
• Stroke: 79mm
• Rod Length: 130.4mm
• Piston Volume: -22cc dish
• Compression Ratio: 8.5:1
• Quantity: Set of 4 pistons
• Product Series: Mahle Motorsport (MS)

Fits Volkswagen 2.0L TSI engines.

This Mahle Motorsport (MS) piston set is engineered for high-performance VW 2.0L TSI engine builds, providing the strength and precision required for increased power applications. Designed to work with a 92.8mm stroke and 144mm connecting rods, these pistons utilize a 21mm wrist pin for a robust rotating assembly. With an 83.00mm bore and a -7cc dish volume, this set achieves a 9.6:1 compression ratio, balancing thermal efficiency with the durability needed for forced induction setups.

• Bore: 83.00mm
• Stroke: 92.8mm
• Rod Length: 144mm
• Wrist Pin: 21mm
• Volume: -7cc
• Compression Ratio: 9.6:1
• Quantity: Set of 4 pistons

Fits 1993-2009 Mitsubishi 4G63 engines. This Mahle piston set is engineered for high-performance engine builds that demand precise tolerances and thermal stability. Designed for an 85.50mm bore and standard 88.0mm stroke, these pistons are compatible with 150mm connecting rods and 22mm wrist pins. The -10cc dish volume achieves an 8.7:1 compression ratio, providing an excellent balance for forced induction applications where managing cylinder pressure and detonation is critical.

• Bore Diameter: 85.50mm
• Crankshaft Stroke: 88.0mm
• Connecting Rod Length: 150mm
• Wrist Pin Diameter: 22mm
• Dish Volume: -10cc
• Compression Ratio: 8.7:1
• Engine Compatibility: Mitsubishi 4G63 (1993-2009)
• Quantity: Complete set of 4 pistons

This Mahle Motorsports piston set is engineered for high-performance Honda H22 engine builds, providing the thermal stability and strength required for high-compression applications. These forged pistons are designed to work with a 90.0mm stroke and 143mm connecting rods, making them a precise solution for enthusiasts looking to optimize combustion efficiency and power output.

Built from high-strength aluminum alloy, each piston features Mahle's signature skirt coating to reduce friction and wear during high-RPM operation. The +10cc dome configuration achieves an 11.5:1 compression ratio, ideal for naturally aspirated performance setups where maximum cylinder pressure is required.

• Bore Diameter: 87.00mm
• Stroke: 90.0mm
• Rod Length: 143mm
• Wrist Pin Diameter: 22mm
• Dome Volume: +10cc
• Compression Ratio: 11.5:1
• Quantity: Set of 4 pistons with pins and rings

This Mahle MS Piston Set is engineered for Honda H22 engines configured with a 90mm stroke and 143mm connecting rods. Designed for builders seeking precision and durability, these pistons provide a reliable foundation for high-performance H-series engine projects.

Each piston is machined to exacting tolerances to ensure optimal ring land stability and thermal management. The 87mm bore and -1cc dome volume achieve a 10.5:1 compression ratio, making this set an ideal choice for high-compression naturally aspirated setups where consistent power delivery and structural integrity are required.

• Engine Application: Honda H22
• Bore Diameter: 87mm
• Stroke: 90mm
• Rod Length: 143mm
• Dome Volume: -1cc
• Compression Ratio: 10.5:1
• Series: Mahle MS (Motorsport)
• Quantity: Set of 4 pistons

Build a reliable, high-boost bottom end with this Mahle Motorsport piston set designed for the Subaru EJ20 and EJ207 engine platforms. These pistons are engineered to withstand the increased thermal and mechanical loads of performance tuning, providing the durability required for high-output forced induction applications where factory cast pistons often fail.

• Engine Application: Subaru EJ20 / EJ207
• Bore Diameter: 92.50mm
• Stroke: 75.0mm
• Rod Length: 130.4mm
• Dish Volume: -12cc
• Compression Ratio: 8.0:1
• Quantity: Complete set of 4 pistons

Each piston in this Mahle Motorsport series is machined to exacting tolerances to ensure optimal ring land durability and superior oil control. This specific configuration is optimized for builders utilizing a standard 75.0mm stroke and 130.4mm rods, delivering a stout 8.0:1 compression ratio ideal for heavy boost.

Engineered for the demands of high-performance Subaru EJ20 and EJ207 platforms, this Mahle Motorsport MS Piston Set provides the structural integrity required for forced induction applications. These pistons are designed to maintain tight tolerances under extreme thermal loads, making them a critical upgrade for builds targeting increased boost and reliable power delivery.

• Bore: 92mm
• Stroke: 75mm
• Rod Length: 130.4mm
• Wrist Pin Diameter: 23mm
• Piston Volume: -12cc
• Compression Ratio: 8.5:1
• Quantity: Complete set of 4 pistons

Each piston in this set is manufactured with Mahle's proprietary alloys and coatings to reduce friction and improve wear resistance. This kit replaces factory slugs with a precision-engineered solution that drops into 92mm bore blocks using standard 130.4mm rods and 23mm pins.

This Mahle MS Piston Set is engineered for Subaru 2.0L engines configured for high-performance stroker applications. Designed to maintain structural integrity under increased loads, these pistons are specifically sized for a 79mm stroke and 130.4mm rod length.

With a 93mm bore and a -16cc dish volume, this set provides an 8.1:1 compression ratio, making it an ideal choice for forced-induction builds requiring precise combustion control. Mahle precision manufacturing ensures every piston in this set of four meets strict tolerances for reliable power delivery and thermal management.

• Bore: 93mm
• Stroke: 79mm
• Rod Length: 130.4mm
• Dish Volume: -16cc
• Compression Ratio: 8.1:1
• Quantity: Set of 4
• Series: Mahle MS (Modern Specialist)

This Mahle Motorsport MS series piston set is engineered for high-output Subaru EJ20 and EJ207 engine builds. Designed to withstand increased cylinder pressures and thermal loads, these forged pistons provide the durability required for forced induction applications where reliability is paramount. Each piston is machined to precise tolerances to ensure optimal ring land stability and skirt profiles that reduce friction while maintaining a stable oil film.

This set is configured for a 92.50mm bore and is designed to work with a 79.0mm stroke and 130.4mm connecting rods. The inclusion of heavy-duty 23mm wrist pins ensures the assembly can handle the stresses of high-RPM and high-boost environments.

• Engine Compatibility: Subaru EJ20 / EJ207
• Bore Diameter: 92.50mm
• Stroke: 79.0mm
• Rod Length: 130.4mm
• Wrist Pin Diameter: 23mm
• Piston Volume: -16cc
• Compression Ratio: 8.0:1
• Quantity: Set of 4 pistons

Fits VW 2.0L TFSi (2.0L) engines.

This Mahle Motorsport (MS) piston set is engineered for high-performance engine builds where reliability and strength are paramount. Designed specifically for the VW 2.0L TFSi platform, these pistons are built to handle the increased thermal and mechanical stresses of high-output tuning and forced induction applications. Each piston is manufactured to Mahle's rigorous motorsport tolerances, ensuring precise fitment and consistent performance across all four cylinders.

• Bore Diameter: 83mm
• Stroke: 92.8mm
• Connecting Rod Length: 144mm
• Wrist Pin Diameter: 20mm
• Dish Volume: -11cc
• Compression Ratio: 9.3:1
• Quantity: Complete set of 4

This set provides a robust foundation for your bottom-end assembly, featuring the precise metallurgy and design characteristic of Mahle's racing heritage.

The HKS Piston Pin Set AA 24-14 L56 provides the critical connection between the piston and connecting rod, specifically engineered to withstand the extreme cylinder pressures and thermal loads of high-performance engines. These pins are manufactured to exacting tolerances to ensure a precise fit, minimizing friction and preventing ovalization under high-boost or high-RPM conditions.

• Brand: HKS
• Product Line: Piston Pin Set
• Series/Spec: AA 24-14 L56
• Engineered for high-stress applications and increased reciprocating loads
• Precision-ground finish for optimal oil film retention and reduced wear
• Direct replacement component for HKS piston kits requiring AA-spec pins

Fits 2008-2014 Mitsubishi Lancer Evolution X GSR, MR, and MR Touring (4B11-T).

Wiseco Professional Series forged racing pistons are engineered for high-output 4B11-T builds where maximum tensile strength and reliability are critical. Machined from 2618 aluminum alloy, these pistons are designed to withstand the thermal and mechanical stresses of heavy to severe duty race applications. Each piston features Wiseco’s ArmorGlide skirt coating to reduce friction and noise while providing superior seizure resistance during high-load operation.

• Forged and precision-machined in the USA from 2618 aluminum alloy
• ArmorGlide skirt coating for reduced friction and improved wear resistance
• Precision-machined ring grooves with anti-detonation features for improved sealing
• Forced pin oiling for enhanced wrist pin lubrication and longevity
• Fully machined crown features for optimized combustion
• Manufacturer Part Number: K636M865
• Piston Volume: -4.5cc

Fits select 1994-2005 Mazda Miata and Protege models.

Wiseco Professional Series forged racing pistons are engineered for high-boost turbo builds and severe-duty racing applications. Forged from 2618 aluminum alloy, these pistons provide the superior tensile strength required for the high-heat and extreme cylinder pressures of forced induction environments. These are no-expense-spared components designed for serious engine builders and racers.

Each piston features Wiseco's ArmorGlide skirt coating to reduce friction, minimize skirt wear, and ensure quieter operation. The fully machined crowns include anti-detonation grooves and precision ring grooves to optimize ring seal and durability under heavy loads. Forced pin oiling ensures the wrist pins receive consistent lubrication to prevent galling during high-RPM operation.

• Manufacturer Part Number: K553M84
• Bore Size: 84mm
• Compression Height: 1.201 in
• Dome/Dish Volume: -4cc (Turbo/Dish Profile)
• Material: 2618 Forged Aluminum
• ArmorGlide Skirt Coating for seizure resistance and friction reduction
• Designed for heavy to severe duty performance applications
• Includes premium rings and high-strength wrist pins

Fits select 2002-2005 Subaru Impreza WRX models (EJ205).

Engineered for high-demand performance, this JE Pistons forged piston set is machined from 2618 T6 aluminum alloy to provide the high tensile strength required for forced induction and racing applications. Featuring the proprietary Forged Side Relief (FSR) design, these pistons utilize a reduced skirt width and a shorter wrist pin to minimize friction and reciprocating weight without sacrificing structural integrity.

• FSR Forging: Minimizes friction and power loss with reduced skirt width and weight-saving shorter wrist pins.
• Accumulator Groove: Helps manage pressure from combustion gases to reduce ring fluttering and improve ring seal for consistent power.
• Premium Material: Forged in the USA from 2618 aluminum for maximum durability in high-horsepower environments.
• Complete Kit: Includes four pistons, high-quality wrist pins, locks, and a JE Pro Seal premium piston ring set.
• Specifications: 92.50mm bore, 1.287in compression height, and -11.70cc dish volume.

Part Number: 314438

Fits 1994-2001 Acura Integra GS-R equipped with the B18C1 engine.

This CP Piston & Ring Set is engineered to meet the tight tolerances and thermal demands of high-performance B-series builds. Featuring an 81.5mm bore and a 9.8:1 compression ratio, this kit (MPN SC7016-4) is designed for precision fitment and improved combustion efficiency in the B18C1 block. Whether you are refreshing a high-mileage GS-R or building for increased power, these pistons provide the structural integrity required to handle elevated cylinder pressures.

• Manufacturer Part Number: SC7016-4
• Engine Application: Acura B18C1
• Bore Diameter: 81.5mm
• Compression Ratio: 9.8:1
• Includes high-quality piston rings for a complete installation

Fits 1988-1995 Toyota Celica All Trac and MR2 Turbo models equipped with the 3SGTE engine.

This CP Piston & Ring Set is specifically engineered for high-performance Toyota 3SGTE builds. Featuring an 86.5mm bore, this set provides a +0.5mm oversize designed for engine blocks requiring machining to restore cylinder wall integrity and ensure a precise seal. The 9.0:1 compression ratio is optimized for forced induction, allowing for increased boost levels while maintaining efficient combustion and reliability under load.

• Manufacturer Part Number: SC7450-4
• Engine Application: Toyota 3SGTE
• Bore Diameter: 86.5mm (+0.5mm Oversize)
• Compression Ratio: 9.0:1
• Includes: High-performance piston ring set
• Engineered for high-stress turbocharged applications

Fits Subaru WRX and STI models equipped with the EJ257 engine.

Wiseco Professional Series forged racing pistons are engineered for high-performance builders who require exceptional durability in heavy to severe-duty applications. Forged and precision-machined in the USA from 2618 aluminum alloy, these pistons provide the increased tensile strength necessary for high-boost or high-RPM EJ257 builds. This shelf stock kit delivers custom-level performance features in a ready-to-install package.

Every piston in this kit is treated with Wiseco’s proprietary ArmorGlide skirt coating, which reduces friction and provides seizure resistance while ensuring quieter operation. The design includes fully machined crowns with anti-detonation grooves to protect the ring lands and improve seal under extreme cylinder pressures. Forced pin oiling is also integrated to ensure the wrist pins receive constant lubrication during high-load operation.

• 2618 Forged Aluminum: High-strength alloy optimized for racing and forced induction.
• ArmorGlide Skirt Coating: Minimizes friction and protects against cylinder wall scuffing.
• Precision Ring Grooves: Enhanced ring seal with integrated anti-detonation grooves.
• Forced Pin Oiling: Directs oil to the wrist pin for improved longevity.

Technical Specifications:

• Engine: Subaru EJ257 (4-Valve)
• Bore Size: 100mm
• Piston Volume: -19cc Dish
• Material: 2618 Forged Aluminum
• Manufacturer Part Number: K598M100AP
• Included: Premium piston rings and wrist pins

Fits 1999-2002 Mazda Miata models equipped with the BPZ3 engine.

Engineered for high-performance applications, this CP Pistons and Ring Set (SC7540-4) provides the structural integrity required for demanding engine builds. These forged pistons are designed to replace worn factory internals or upgrade your rotating assembly, offering precise tolerances and superior thermal management. The 83mm standard bore and 9.0:1 compression ratio make this set an excellent choice for maintaining reliability while optimizing combustion efficiency.

• Manufacturer Part Number: SC7540-4
• Bore Size: 83mm (Standard)
• Compression Ratio: 9.0:1
• Engine Code: Mazda BPZ3
• Includes: High-strength forged pistons and matched piston ring set

Built for durability and precision, CP Pistons are used by professional engine builders to ensure consistent power delivery and long-term performance under high-stress conditions.

Fits 1989-1998 Nissan 240SX (KA24).

This CP Pistons and rings set is specifically engineered for turbocharged Nissan KA24 applications. Designed to withstand the extreme cylinder pressures and thermal loads of forced induction, these pistons offer the durability required for high-performance builds. The 89.5mm bore represents a +0.5mm oversize, making this set an ideal choice for engine blocks requiring a precision overbore to restore cylinder wall integrity.

• Bore Diameter: 89.5mm (+0.5mm oversize)
• Compression Ratio: 9.0:1
• Engine Focus: KA24 (Turbocharged)
• Manufacturer Part Number: SC7300-4
• Included Components: Precision-machined pistons and high-performance ring set

Fits 2002-2006 Acura RSX Base and Type-S models equipped with K20A, K20A2, or K20A3 engines.

This CP Piston & Ring Set (SC70457-4) is engineered for high-performance Honda and Acura K-Series builds that demand superior strength and tighter tolerances. These forged pistons provide the reliability needed for increased cylinder pressures in forced induction or high-compression naturally aspirated applications. Sized at 87mm (+1.0mm over stock), they are ideal for engines requiring a fresh bore and hone to restore cylinder wall integrity or slightly increase displacement.

• Manufacturer Part Number: SC70457-4
• Bore Diameter: 87mm (+1.0mm Oversize)
• Engine Compatibility: Acura/Honda K20A, K20A2, K20A3
• Construction: High-strength forged aluminum alloy
• Includes: Performance piston rings and wrist pins

Fits select 2002-2008 Subaru Impreza (WRX, STI, RS, 2.5i, Outback) applications utilizing an EJ257 block with EJ20 cylinder heads.

JE Pistons engineered this forged piston set specifically for Subaru hybrid engine builds, combining the EJ257 short block with EJ20 heads. These 100mm bore pistons are machined from high-tensile 2618 aluminum alloy to withstand the extreme cylinder pressures of forced induction and high-performance racing. Featuring the proprietary Forged Side Relief (FSR) design, these pistons minimize friction and rotating mass without compromising structural integrity.

• Bore Diameter: 100mm
• Compression Ratio: 8.5:1 (calculated for EJ257 block/EJ20 head combination)
• Forged Side Relief (FSR) design reduces skirt width and weight while improving strength
• Accumulator groove helps manage combustion gas pressure to minimize ring flutter
• Engineered and machined 100% in the USA from 2618-T6 forged aluminum
• Skirt coating reduces friction, wear, and cold-start operating noise
• Includes JE Pro Seal premium piston rings, heavy-duty wrist pins, and wire locks
• Manufacturer Part Number: 291060

Fits 2006-2013 Mazda Mazdaspeed 3 and Mazdaspeed 6.

Wiseco Professional Series forged racing pistons are engineered for high-performance builds requiring exceptional tensile strength and durability. Machined in the USA from 2618 aluminum alloy, this piston kit (K640M875) is built to withstand the extreme thermal and mechanical stresses of heavy-duty race applications while maintaining precise tolerances.

• Forged from high-strength 2618 aluminum for improved tensile strength
• ArmorGlide skirt coating for reduced friction, quieter operation, and seizure resistance
• -13.3cc dished crown with a 9.5:1 compression ratio
• Precision-machined ring grooves and anti-detonation grooves for a superior seal
• Forced pin oiling for enhanced lubrication and component longevity
• Includes premium piston rings and necessary hardware

Designed for high-output Acura 4-valve race engines, the Wiseco Professional Series Piston Kit is engineered for heavy to severe duty performance. These pistons are forged and machined in the USA from high-strength 2618 aluminum alloy to provide the superior tensile strength required for high-compression or forced induction builds.

• Advanced Materials: Forged from 2618 aluminum for maximum durability in extreme environments.
• ArmorGlide Coating: A specialized skirt coating that reduces friction, prevents seizure, and ensures quieter operation.
• Enhanced Lubrication: Features forced pin oiling to maintain a consistent oil film on the wrist pin under high loads.
• Precision Machining: Includes fully machined crowns, anti-detonation grooves, and precision-cut ring grooves for optimal seal and pressure management.
• Strutted Design: Provides increased structural rigidity while maintaining a lightweight profile.

Specifications:
Bore Size: 86.00mm
Dome Volume: +8cc
Material: 2618 Forged Aluminum Alloy
Manufacturer Part Number: K573M86AP
Included: Premium rings and high-quality wrist pins