Fits 1994-2005 Mazda Miata Base and LS models (1.8L).

Manley Race Master Series intake valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racing. Optimized for competition engines operating under 8,000 RPM, these valves deliver the durability and flow characteristics required for consistent performance. Each valve is constructed from premium NK-842 stainless steel and features a swirl-polished under-head area with a fully machined combustion face to maximize airflow efficiency and combustion consistency.

• Manufactured from NK-842 stainless steel for high-strength and heat resistance
• Swirl-polished under-head and fully machined face for optimized flow dynamics
• Chrome-plated stems and hardened tips for enhanced longevity and wear resistance
• Straight-stem Race Master profile suitable for various racing applications
• Recommended for high-performance engines operating up to 8,000 RPM
• Manufacturer Part Number: 11102-8

Designed for high-output BMW N55 and S55 inline-six engines, the Manley Platinum Series Piston Set (MPN 647005C-6) is engineered to withstand the extreme cylinder pressures of forced induction. These pistons are manufactured from domestic 2618 aluminum alloy forgings, providing the structural integrity required for professional engine builds and high-boost applications.

Manley utilizes a unique manufacturing process where skirt turning and ring groove machining are completed in a single operation. This ensures ultimate squareness between the ring lands and the skirt, promoting superior ring seal and reducing blow-by. The cam and barrel skirt profiles are specifically designed to minimize friction and cylinder wall wear while maintaining stability under load at high RPM.

• Fits BMW N55 and S55 engines
• Material: High-strength 2618 forged aluminum alloy
• Bore Size: 84.5mm
• Dish Volume: 37cc
• Wrist Pins: Premium tool steel pins included
• Moly-coated skirts for reduced friction and scuffing
• Precision-machined ring grooves for enhanced sealing and power
• Manufacturer Part Number: 647005C-6

Fits BMW N55 and S55 engines. This Manley Platinum Series Extreme Duty Piston Set is designed for professional engine builders who require maximum durability under high boost and thermal stress. Each piston is manufactured from domestic 2618 alloy forgings, providing the structural integrity needed for high-performance BMW builds.

Manley utilizes a unique fixturing process that allows for skirt turning and ring groove machining in a single operation. This ensures absolute squareness between the ring groove and the skirt, resulting in a superior ring seal and consistent power delivery. The cam and barrel skirt profiles are engineered to reduce friction and cylinder wall wear without compromising stability at high RPM.

• Series: Platinum Series Extreme Duty
• Material: High-strength 2618 forged aluminum alloy
• Spec: 37cc Dish profile
• Precision Machining: Single-operation machining for perfect ring-to-skirt alignment
• Wrist Pins: Includes premium tool steel wrist pins for extreme load capacity
• MPN: 647000CE-6

Fits BMW N55 and S55 inline-six engines. This Manley Platinum Series 37cc Dish Piston Set is engineered for professional engine builders and tuners looking for a robust rotating assembly solution that can withstand high-performance demands.

Forged from domestic 2618 aluminum alloy, these pistons provide the superior material strength necessary for forced induction applications. Manley utilizes a unique fixturing process that machines the ring grooves and turns the skirts in a single operation, ensuring ultimate squareness between the groove and the skirt for a superior ring seal. The specific cam and barrel skirt profiles are designed to optimize power delivery while reducing friction and wear on the cylinder walls.

• Material: High-strength domestic 2618 alloy forgings.
• Wrist Pins: Includes premium Chrome Moly wrist pins as standard hardware.
• Precision Machining: Single-operation machining ensures exacting ring land and groove tolerances.
• Performance Coating: Moly skirt coatings applied to select part numbers for reduced friction.
• Configuration: 37cc dish profile designed for specific compression requirements.
• Manufacturer Part Number: 647000C-6

Engineered for the BMW N54B30 engine, the Manley Platinum Series forged piston set is designed to withstand the high cylinder pressures of turbocharged applications. These pistons are manufactured from high-strength domestic 2618 aluminum alloy forgings, providing the thermal resistance and structural integrity required for professional engine builds and high-horsepower tuning.

Each piston features Manley's signature cam and barrel skirt profiles, optimized to generate maximum power while reducing friction and wear on cylinder walls. Utilizing a unique fixturing process, Manley machines the skirt and ring grooves in a single operation to ensure perfect squareness, resulting in superior ring seal and longevity.

• Fits BMW N54B30 engines
• Forged from domestic 2618 aluminum alloy
• 84.5mm bore size with a 32cc dish volume
• Moly-coated skirts for reduced friction and scuffing
• Includes premium tool steel wrist pins
• Precision-machined ring lands for enhanced sealing
• Manufacturer Part Number: 646005C-6

Fits BMW N54B30 engines. Designed for professional-grade engine builds, the Manley Platinum Series 32cc Dish Piston Set (646000C-6) is engineered for the high cylinder pressures found in tuned BMW N54 platforms.

These pistons are manufactured from domestic 2618 aluminum alloy forgings, offering superior thermal characteristics and strength compared to cast or lower-grade alloys. Manley utilizes a unique fixturing process that machines the skirt profiles and ring grooves in a single operation, ensuring absolute squareness. This precision results in superior ring seal and minimized blow-by for maximum power delivery. The cam and barrel skirt profiles are specifically designed to reduce friction and cylinder wall wear without compromising piston stability at high RPM.

• Series: Manley Platinum Series
• Application: BMW N54B30 (3.0L)
• Material: 2618 Aluminum Alloy Forging
• Dish Volume: 32cc
• Wrist Pins: Premium Chrome Moly tool steel pins included
• Machining: Single-operation skirt and ring groove machining for perfect alignment
• Manufacturer Part Number: 646000C-6

Designed for high-performance Nissan SR20DE and SR20DET engines, this Manley Platinum Series piston set is engineered to handle the thermal and mechanical stresses of increased boost and high-RPM operation. These pistons are forged from domestic 2618 alloy for superior structural integrity and feature a 9.0:1 dish profile ideal for forced induction setups. Manley utilizes a unique single-operation fixturing process for skirt turning and ring groove machining, ensuring perfect squareness for a superior ring seal and maximum power output.

The 86.5mm (+0.5mm oversized) bore provides a displacement increase and requires a precision overbore of the factory cylinder block. Each set includes high-quality piston rings and premium Chrome Moly wrist pins, which are standard for this series to provide the durability required by professional engine builders and tuners.

• Fits Nissan SR20DE and SR20DET engines
• Material: High-strength 2618 alloy forgings
• Bore: 86.5mm (+0.5mm Oversized)
• Compression Ratio: 9.0:1 Dish
• Includes: Pistons, rings, and Chrome Moly wrist pins
• Precision cam and barrel skirt profiles for reduced cylinder wall wear
• Single-operation machining for ultimate ring-to-skirt squareness
• Manufacturer Part Number: 638005C-4

Engineered for high-performance Ford 2.3L EcoBoost applications, this Manley Platinum Series Extreme Duty Piston Set is built to handle the extreme cylinder pressures of forced induction. Forged from domestic 2618 alloy, these pistons feature specialized cam and barrel skirt profiles that optimize power output while remaining gentle on cylinder walls for long-term durability.

Manley utilizes a unique manufacturing process where skirt turning and ring groove machining are performed in a single operation. This ensures absolute squareness between the ring groove and the skirt, providing a superior ring seal and increased power. These pistons are designed to accommodate up to +1mm oversized valves, making them ideal for builds with upgraded cylinder heads.

• Fits Ford 2.3L EcoBoost engines (2.3L)
• Bore Size: 87.5mm (Standard)
• Compression Ratio: 9.5:1 Dish
• Material: High-strength 2618 forged aluminum alloy
• Wrist Pins: Included Premium Chrome Moly steel pins
• Hardware: Includes premium steel top ring sets and round wire locks
• MPN: 637000CE-4

Designed for high-performance Ford 2.3L EcoBoost builds, this Manley Platinum Series piston set is engineered to withstand the rigors of increased boost and cylinder pressures. Each piston is forged from high-strength domestic 2618 aluminum alloy and features precision-machined cam and barrel skirt profiles to minimize friction while protecting cylinder walls.

• Engine Fitment: Ford 2.3L EcoBoost (2.3L)
• Bore Size: 87.5mm (Standard Size)
• Compression Ratio: 9.5:1 with dish profile
• Material: Forged 2618 aluminum alloy for superior strength
• Valve Clearance: Designed to accommodate +1mm oversized valves
• Machining: Skirt and ring grooves machined in a single operation to ensure perfect squareness and optimal ring seal
• Included Components: Premium Chrome Moly wrist pins, high-performance steel top ring sets, and round wire locks
• Coating: Moly-coated skirts for reduced friction and improved wear resistance
• Manufacturer Part Number: 637000C-4

Fits Ford 2.0L EcoBoost engines. These Manley Platinum Series Extreme Duty pistons are engineered for high-performance applications where increased boost and cylinder pressures demand superior strength.

Forged from domestic 2618 aluminum alloy, these pistons feature a dish design and specific cam and barrel skirt profiles that maximize power while minimizing wear on cylinder walls. Manley utilizes a unique fixturing process that allows skirt turning and ring groove machining to be completed in a single operation. This ensures absolute squareness between the ring groove and the skirt, resulting in an exceptional ring seal and improved oil control.

• Manufacturer Part Number: 636005CE-4
• Engine Compatibility: Ford 2.0L EcoBoost
• Bore Size: 88mm (+.5mm oversize)
• Compression Ratio: 9.3:1
• Material: 2618 Forged Aluminum Alloy
• Wrist Pins: Premium Chrome Moly pins included
• Design: Dish-style Extreme Duty forging
• Features: Moly-coated skirts and precision-machined ring lands

Designed for Ford 2.0L EcoBoost engines, this Manley Platinum Series piston set (MPN 636005C-4) provides the strength and precision required for high-boost applications. Built from domestic 2618 aluminum alloy forgings, these pistons are engineered to withstand extreme cylinder pressures while maintaining structural integrity.

Manley employs a unique manufacturing process where skirt turning and ring groove machining are performed in a single operation. This technique ensures maximum squareness between the ring lands and the piston skirt, which is essential for achieving a superior ring seal and minimizing blow-by. The pistons feature specialized cam and barrel skirt profiles designed to reduce friction and wear on cylinder walls without compromising power output.

• Manufacturer Part Number: 636005C-4
• Material: 2618 High-Strength Forged Aluminum Alloy
• Bore Size: 88mm (+.5mm oversize)
• Compression Ratio: 9.3:1
• Piston Style: Dish
• Wrist Pins: Premium Chrome Moly steel included
• Features: Moly-coated skirts (on select applications) and precision-machined ring grooves

Engineered for high-output Ford 2.0L EcoBoost builds, this Manley Platinum Series Extreme Duty Piston Set (MPN 636000CE-4) is designed to withstand the rigors of high-boost applications. These pistons are forged from domestic 2618 aluminum alloy, providing superior structural integrity and heat resistance compared to standard cast or hypereutectic components.

Each piston features Manley's signature cam and barrel skirt profiles, optimized to reduce cylinder wall friction while maintaining stability at high RPM. The 9.3:1 dish design is precision-machined using a unique single-operation fixturing process that ensures the ring grooves are perfectly square to the skirt for an exceptional ring seal and maximum power extraction.

• Material: High-strength 2618 alloy forgings
• Bore Size: 87.5mm (Standard)
• Compression Ratio: 9.3:1 Dish profile
• Wrist Pins: Premium Chrome Moly pins included
• Precision Machining: Single-operation skirt and ring groove turning for ultimate squareness
• Optimized Profiles: Cam and barrel skirt designs to minimize cylinder wall wear
• Series: Platinum Series / Extreme Duty

Fits Ford 2.0L EcoBoost engines.

The Manley Platinum Series Piston Set for the Ford 2.0L EcoBoost is engineered for high-performance builds requiring superior material strength and precise tolerances. These pistons are manufactured from domestic 2618 alloy forgings, utilizing a dish design that maintains a 9.3:1 compression ratio at the standard 87.5mm bore size.

Manley employs a specialized fixturing process that performs skirt turning and ring groove machining in a single operation. This ensures absolute squareness between the ring groove and the skirt, which is critical for establishing a consistent ring seal and maximizing power. The cam and barrel skirt profiles are optimized to provide stability under high cylinder pressures while remaining gentle on the cylinder walls.

• Series: Platinum Series
• Material: Domestic 2618 alloy forgings
• Bore Size: 87.5mm (STD)
• Compression Ratio: 9.3:1
• Piston Style: Dish
• Wrist Pins: Premium Chrome Moly pins included
• Coating: Moly skirt coating
• Manufacturing: Single-operation skirt and ring groove machining
• Manufacturer Part Number: 636000C-4

Fits 2015+ Subaru WRX (FA20 engine).

Manley Platinum Series pistons are engineered for high-output FA20 builds, utilizing domestic 2618 aluminum alloy forgings for maximum structural integrity under high cylinder pressures. This set features an 86.50mm bore (+.5mm overbore) and a 10:1 dish profile, designed to optimize combustion efficiency while maintaining superior ring seal. Each piston is manufactured using Manley’s unique fixturing process, which machines the skirt and ring grooves in a single operation to ensure perfect squareness and precise tolerances.

• Material: High-strength domestic 2618 forged aluminum alloy
• Bore Size: 86.50mm (+.50mm over factory)
• Compression Ratio: 10:1 Dish profile
• Wrist Pins: Premium Chrome Moly steel pins included
• Design: Proven cam and barrel skirt profiles for reduced friction and cylinder wall wear
• Precision: Single-operation machining for exacting ring land and groove squareness
• Manufacturer Part Number: 632705C-4

This complete set includes high-performance piston rings and premium Chrome Moly wrist pins, providing a reliable foundation for professional engine builders and tuners requiring durability beyond factory limits.

Fits 2015-UP Subaru WRX (FA20).

The Manley Platinum Series piston set is engineered for high-performance FA20 builds, providing the strength of domestic 2618 alloy forgings and the precision of advanced manufacturing. This set features an 86.25mm bore (+.25mm oversize) and a 10:1 dish profile, designed to optimize ring seal and power delivery in turbocharged applications. Manley utilizes a unique fixturing process that allows for skirt turning and ring groove machining in a single operation, ensuring ultimate squareness between the grooves and the skirt for maximum efficiency.

• Forged from high-strength domestic 2618 aluminum alloy
• 86.25mm bore size (+.25mm over stock) with 10:1 compression ratio
• Precision cam and barrel skirt profiles designed to be gentle on cylinder walls
• Includes premium Chrome Moly wrist pins and high-performance ring set
• Single-operation machining for maximum ring groove-to-skirt squareness
• Exacting ring land and groove standards for enhanced seal and power
• Manufacturer Part Number: 632702C-4

Fits 2015+ Subaru WRX models equipped with the FA20F engine.

Manley Platinum Series pistons are engineered for professional engine builders and tuners requiring extreme durability in high-output FA20F builds. Forged from domestic 2618 aluminum alloy, these pistons feature a 10.0:1 compression ratio and an 86.1mm bore (+.1mm oversize). Manley utilizes a unique fixturing process that machines the ring grooves and turns the skirts in a single operation, ensuring perfect squareness between the ring groove and skirt for superior ring seal and longevity.

• Material: High-strength forged 2618 aluminum alloy.
• Bore Size: 86.1mm (+.1mm oversize).
• Compression Ratio: 10.0:1 Dish.
• Wrist Pins: Includes premium Chrome Moly wrist pins (upgradable to 9310 or Turbo Tuff/DLC for select applications).
• Precision Machining: Exacting ring land and groove tolerances for enhanced cylinder sealing and power output.
• Advanced Profiles: Proven cam and barrel skirt profiles designed to maximize power while minimizing wear on cylinder walls.
• Manufacturer Part Number: 632701C-4 (Set of 4).

Fits 2015+ Subaru WRX models equipped with the FA20F engine. This is a single replacement piston for use in specific engine build configurations requiring Grade B sizing.

This Manley Platinum Series piston is engineered for the high-stress environment of the FA20F engine. Manufactured from high-strength domestic 2618 alloy forgings, this piston utilizes a 10:1 dish profile and an 86mm standard bore. Manley employs a unique fixturing process that machines the skirt and ring grooves in a single operation, ensuring maximum squareness for superior ring seal and longevity. The cam and barrel skirt profiles are designed to minimize cylinder wall wear while maintaining stability under high cylinder pressures.

• Manufacturer Part Number: 632700CB-1
• Material: 2618 Forged Aluminum Alloy
• Bore: 86mm STD (Grade B)
• Compression Ratio: 10:1
• Wrist Pins: Included Premium Chrome Moly steel pins
• Construction: Precision-machined ring lands and grooves for enhanced sealing
• Design: Signature Platinum Series cam and barrel skirt profiles

Fits 2013+ Subaru BRZ models equipped with the FA20 engine.

This Manley Platinum Series single replacement piston (Grade B) is engineered for high-performance builds requiring extreme strength and precise tolerances. Machined from domestic 2618 aluminum alloy forgings, these pistons feature specific cam and barrel skirt profiles designed to maximize power while minimizing friction and wear on cylinder walls. Manley’s unique manufacturing process machines the skirt and ring grooves in a single operation, ensuring ultimate squareness for superior ring seal and longevity.

• Series: Platinum Series
• Bore Size: 86mm STD (Grade B)
• Compression Ratio: 10:1 Dish
• Material: Domestic 2618 Forged Aluminum Alloy
• Wrist Pin: Premium Chrome Moly tool steel
• Machining: Single-operation skirt turning and ring groove machining
• Manufacturer Part Number: 632600CB-1

Note: This is a single replacement piston. Grade B sizing is intended for specific factory block tolerances; please verify your cylinder bore measurements for proper clearance before installation.

Fits select 2004-Present Subaru WRX and STI models equipped with the EH257 engine.

The Manley Platinum Series Extreme Duty piston set (MPN 632202CE-4) is engineered for high-horsepower builds that demand superior structural integrity. Forged from domestic 2618 aluminum alloy, these pistons are designed to withstand the increased thermal and mechanical loads of high-boost applications. Each piston features Manley's specialized cam and barrel skirt profiles, optimized to generate maximum power while remaining gentle on cylinder walls to reduce friction and wear.

Manufacturing precision is a hallmark of the Platinum Series. Manley utilizes a unique fixturing process that allows for skirt turning and ring groove machining in a single operation. This ensures ultimate squareness between the ring lands and the skirt, resulting in an exceptional ring seal and minimal blow-by. Every set is balanced to exacting tolerances and includes high-quality wrist pins designed for reliable performance.

• Manufacturer Part Number: 632202CE-4
• Bore Size: 99.75mm (+.25mm Oversize)
• Compression Ratio: 8.5:1 Dish
• Material: Domestic 2618 forged aluminum alloy
• Wrist Pins: Premium Chrome Moly wrist pins included
• Skirt Coating: Moly coated skirts for reduced friction
• Machining: Single-operation skirt and ring groove turning for maximum squareness

Fits 2004 and newer Subaru WRX and STI models (EH257).

The Manley Platinum Series forged piston set is engineered for high-performance Subaru builds requiring exceptional strength and precision. Constructed from domestic 2618 aluminum alloy forgings, these pistons are designed to withstand the extreme cylinder pressures of turbocharged applications while maintaining optimal weight and durability.

• 2618 Alloy Forgings: High-strength domestic alloy provides the structural integrity needed for high-boost forced induction.
• Precision Fixturing: Unique machining process allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
• Enhanced Ring Seal: Adherence to strict tolerances for piston ring lands and grooves results in superior ring seal and increased power.
• Optimized Skirt Profiles: Specific cam and barrel profiles generate substantial power while minimizing wear on cylinder walls.
• Included Hardware: Set comes standard with premium Chrome Moly wrist pins for reliable performance.
• Key Specifications: 99.75mm bore (+.25mm oversize), 8.5:1 compression ratio, dish piston design.
• Manufacturer Part Number: 632202C-4

Fits 2004-present Subaru WRX and STI models equipped with the EH257 engine.

This Manley Platinum Series single piston (Grade B) is engineered for high-performance engine builds and targeted repairs. Machined from high-strength domestic 2618 alloy forgings, these pistons are designed to withstand the extreme cylinder pressures of turbocharged EJ-series platforms. Each piston utilizes Manley’s unique fixturing process, which machines the skirt and ring grooves in a single operation to ensure the ring grooves remain perfectly square to the skirt for superior sealing and reduced blow-by.

• High-Strength Forging: Constructed from 2618 aluminum alloy for superior structural integrity under boost.
• Precision Skirt Profiles: Proven cam and barrel skirt profiles generate substantial power while remaining gentle on cylinder walls.
• Optimized Ring Seal: Exacting standards for ring lands and grooves enhance sealing efficiency for maximum power delivery.
• Wrist Pins: Includes premium Chrome Moly wrist pins as standard equipment.
• Technical Specs: 99.50mm bore, 8.5:1 compression ratio, Grade B sizing, dish top configuration.
• Part Number: 632200CB-1

Fits select 2004+ Subaru WRX and STI models equipped with the EJ257 engine.

Built for professional engine builders and high-performance tuners, the Manley Platinum Series piston set is engineered to handle the increased cylinder pressures of turbocharged EJ257 builds. These pistons are forged from domestic 2618 aluminum alloy, offering superior structural integrity compared to factory cast components. Each piston features a 99.50mm standard bore and an 8.5:1 compression ratio dish design, providing the thermal stability required for forced induction.

Manley utilizes a unique single-operation machining process for both skirt turning and ring groove cutting, ensuring perfect squareness between the ring lands and the piston skirt. This precision results in a superior ring seal, reduced blow-by, and consistent power delivery. The skirts feature a specialized cam and barrel profile designed to minimize friction and protect cylinder walls during high-RPM operation.

• Material: High-strength forged 2618 aluminum alloy
• Bore Size: 99.50mm (Standard)
• Compression Ratio: 8.5:1 Dish
• Wrist Pins: Includes high-quality tool steel wrist pins
• Coating: Moly-coated skirts for reduced friction (select applications)
• Manufacturing: Single-operation machining for ultimate ring-to-skirt squareness
• MPN: 632200C-4

Fits 2007-2013 Mazda 3 Mazdaspeed.

Engineered for high-output DISI engines, Manley Platinum Series pistons are designed for professional engine builders who demand superior durability and ring seal. These pistons are machined from high-strength domestic 2618 aluminum alloy forgings and feature a dish-type crown to achieve a 9.5:1 compression ratio. With an 88mm bore (+5mm overbore) and compatibility with a 94mm stroke, this set is built to handle the rigors of increased boost and thermal load.

Manley utilizes a proprietary fixturing process that allows skirt turning and ring groove machining to be completed in a single operation. This ensures ultimate squareness between the ring grooves and the skirt, which is critical for consistent ring seating and oil control. The cam and barrel skirt profiles are specifically engineered to reduce friction and cylinder wall wear while maintaining stability under high cylinder pressures.

• Construction: Domestic 2618 alloy forgings for maximum structural integrity.
• Wrist Pins: Includes premium Chrome Moly wrist pins for reliable pin-boss support.
• Precision Machining: Exacting ring land and groove tolerances for enhanced seal and power.
• Specs: 88mm Bore (+5mm), 94mm Stroke, 9.5:1 CR Dish Type.
• Included: Piston set, wrist pins, and high-performance piston rings.
• Part Number: 630005C-4

Fits 2007-2013 Mazda 3 Mazdaspeed (2.3L).

Engineered for professional engine builds and high-boost applications, these Manley Platinum Series pistons are forged from high-strength domestic 2618 aluminum alloy. To ensure maximum power and durability, Manley uses a unique fixturing process that machines the skirt and ring grooves in a single operation, guaranteeing perfect squareness for superior ring seal. Each piston features specifically engineered cam and barrel skirt profiles that reduce friction and minimize wear on the cylinder walls.

These pistons come equipped with premium chrome moly wrist pins and high-performance piston rings. The exacting tolerances of the ring lands and grooves provide the high-pressure seal required for the MZR 2.3L turbocharged engine.

• Manufacturer Part Number: 630002C-4
• Material: 2618 Forged Aluminum Alloy
• Bore: 87.75mm
• Compression Ratio: 9.5:1
• Dome Volume: -13.3cc
• Includes: Piston rings and chrome moly wrist pins
• Coating: Moly skirt coating (on select part numbers)

Fits 2007-2013 Mazda 3 Mazdaspeed (2.3L DISI Turbo).

Manley Platinum Series pistons are engineered for professional engine builders and tuners who demand superior durability in high-performance applications. Forged from domestic 2618 aluminum alloy, these dish-type pistons feature a 9.5:1 compression ratio designed to handle the increased cylinder pressures of turbocharged MZR platforms. Manley utilizes a unique manufacturing process where skirt turning and ring groove machining are performed in a single operation, ensuring perfect squareness between the groove and skirt for an optimal ring seal and maximum power production.

• Material: High-strength forged 2618 aluminum alloy.
• Bore Size: 87.5mm (Standard Bore).
• Stroke: 94mm.
• Compression Ratio: 9.5:1 Dish Type.
• Wrist Pins: Included heavy-duty Chrome Moly pins.
• Piston Rings: Premium ring set included.
• Moly Skirt Coating: Reduces friction and protects cylinder walls during high-load operation.
• MPN: 630000C-4

Fits 2002-2005 Subaru Impreza WRX and Saab 9-2X Aero (EJ205).

The Manley Platinum Series forged piston set is engineered for high-performance EJ205 builds utilizing a 79mm (+4mm) stroker crankshaft. These pistons are forged from domestic 2618 aluminum alloy to withstand the increased thermal and mechanical loads of forced induction. Featuring a 93mm (+1mm) bore and an 8.5:1 compression ratio dish design, this set is optimized for efficient combustion and improved ring seal.

Manley utilizes unique fixturing that allows for skirt turning and ring groove machining in a single operation, ensuring perfect squareness. The skirts are treated with a moly coating to reduce friction and protect cylinder walls during high-RPM operation. This complete set includes rings and premium Chrome Moly wrist pins to ensure a reliable rotating assembly.

• Engine: Subaru EJ205
• Bore: 93mm (+1mm Over)
• Stroke: 79mm (+4mm Stroker)
• Compression Ratio: 8.5:1
• Piston Design: Dish Top
• Material: 2618 Forged Aluminum Alloy
• Wrist Pins: Premium Chrome Moly
• Manufacturer Part Number: 620010C-4

Fits 2002-2005 Subaru Impreza WRX and 2005 Saab 9-2X Aero (EJ205).

The Manley Platinum Series piston set is engineered for high-performance EJ205 builds utilizing a 79mm stroker crankshaft. Forged from domestic 2618 aluminum alloy, these pistons are designed to handle the increased cylinder pressures and thermal loads of modified turbocharged engines. Manley utilizes a unique manufacturing process where skirt turning and ring groove machining are performed in a single operation, ensuring absolute squareness for superior ring seal and longevity.

• Manufacturer Part Number: 620005C-4
• Material: Domestic 2618 alloy forgings for maximum high-temp strength
• Wrist Pins: Premium Chrome Moly wrist pins included
• Bore Size: 92.5mm (+0.5mm over stock)
• Stroke: 79mm (+4mm stroker)
• Compression Ratio: 8.5:1 dish profile
• Skirt Coating: Moly skirt coatings (on select part numbers) and optimized cam/barrel profiles to reduce cylinder wall friction
• Included: Full set of pistons, piston rings, and wrist pins

Fits 2002-2005 Subaru Impreza WRX and 2005 Saab 9-2X Aero (EJ205).

The Manley Platinum Series piston set is engineered for high-performance EJ205 builds utilizing a 79mm stroker crankshaft—a +4mm increase over the factory stroke. These pistons are forged from domestic 2618 high-strength alloy to withstand the increased cylinder pressures of forced induction applications. To ensure maximum precision, Manley utilizes a unique manufacturing process where skirt turning and ring groove machining are completed in a single operation, resulting in ultimate squareness and improved ring seal.

Each piston features optimized cam and barrel (skirt) profiles to minimize friction while protecting cylinder walls. The skirts are finished with a moly coating for reduced wear during cold starts and high-load operation. This set includes premium chrome moly wrist pins and a high-performance ring set to complete your bottom-end assembly.

• Manufacturer Part Number: 620000C-4
• Engine: Subaru EJ205 (79mm Stroker Application)
• Bore Size: 92.00mm (Standard)
• Stroke: 79mm (+4mm over stock)
• Compression Ratio: 8.5:1
• Piston Head Volume: -11cc Dish
• Material: Forged 2618 Aluminum Alloy
• Wrist Pins: Premium Chrome Moly included
• Included: Pistons, Rings, and Wrist Pins

Fits 2010-2013 Hyundai Genesis Coupe (2.0L / 2.0T).

Engineered for high-performance builds, the Manley Platinum Series piston set provides the strength and precision required for the turbocharged 2.0L Hyundai Genesis Coupe. These pistons are forged from domestic 2618 aluminum alloy and feature a 86.0mm (+0.5mm) oversized bore with a 9.3:1 compression ratio dish design. Manley utilizes a unique manufacturing process that machines the skirt and ring grooves in a single operation, ensuring maximum squareness for superior ring seal and longevity.

• Forged from high-strength domestic 2618 aluminum alloy
• 86.0mm bore size (+0.5mm oversized from factory)
• 9.3:1 compression ratio with dish profile
• Moly-coated skirts on select applications for reduced friction
• Premium Chrome Moly wrist pins included for standard series durability
• Exacting ring land and groove tolerances for enhanced combustion seal
• Optimized cam and barrel skirt profiles are gentle on cylinder walls
• Includes high-quality piston rings for a complete installation
• Manufacturer Part Number: 616005C-4

Designed for high-output engine builds, this Manley Platinum Series dish piston set fits 2002-2005 Subaru Impreza WRX models equipped with the EJ205 engine. These pistons are forged from domestic 2618 aluminum alloy to provide the structural integrity required for turbocharged performance. This set features a 92.5mm (+0.5mm oversize) bore, a standard 75mm stroke, and an 8.5:1 compression ratio.

Manley employs a unique manufacturing process where skirt turning and ring groove machining are performed in a single operation. This ensures maximum squareness between the ring grooves and the skirt, promoting superior ring seal and reduced blow-by. The precision cam and barrel skirt profiles are engineered to generate substantial power while remaining gentle on the cylinder walls.

• Vehicle Fitment: 2002-2005 Subaru Impreza WRX (EJ205)
• Bore Size: 92.5mm (+0.5mm Oversize)
• Stroke: 75mm (Standard)
• Compression Ratio: 8.5:1
• Piston Style: Dish
• Material: Forged 2618 Aluminum Alloy
• Wrist Pins: Premium Chrome Moly steel pins included
• Features: Single-operation machining for precise ring land alignment
• Manufacturer Part Number: 615005C-4

Each set includes pistons, high-performance piston rings, and tool steel wrist pins for a complete installation.