Manley Performance Platinum Series Subaru WRX/STI 100mm Bore Extreme Duty Piston Set (Part Number: PIST-SUBARU 632205CE-4)

Our signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability. Manley Piston Set, PIST-SUBARU 100mm/1.209 CD/DISH E/D.

• Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.
• Unique Fixturing: Manley's unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
• Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.
• Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.
• 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.

Upgrade your Subaru WRX or STI with the Manley Performance Platinum Series piston set, designed for exceptional durability and high-performance applications. Crafted from 2618 alloy forgings, these pistons provide superior strength and resilience, ideal for demanding engine rebuilds and tuning projects. The forged construction ensures consistent quality and reliable performance under intense conditions, making them a preferred choice among professional engine builders and tuners. The pistons feature precisely engineered cam and barrel (skirt) profiles that generate significant power while minimizing stress on the cylinder walls, promoting longevity and efficiency. Equipped with moly skirt coatings on select part numbers, they reduce friction and wear, enhancing overall engine durability. The set includes premium chrome moly wrist pins, with options for upgraded alloys such as 9310 and Turbo Tuff/DLC, providing additional strength where needed. Unique fixturing allows for seamless skirt turning and ring groove machining in a single operation, ensuring perfect ring land and groove squareness for optimal sealing and power output. Strict adherence to ring land and groove standards results in a better seal, leading to increased compression and performance. Designed to meet high-performance standards, these pistons are not carb approved but require carb acknowledgement, making them suitable for race or off-road applications where emissions compliance is not mandated. Whether you're building a high-horsepower street machine or a track-ready engine, the Manley Platinum Series pistons deliver the reliability and performance expected by professional tuners and enthusiasts alike.

Features:

• 2618 alloy forgings for superior strength and durability

• Cam and barrel (skirt) profiles designed for power and minimal stress on cylinder walls

• Moly skirt coatings on select part numbers to reduce friction and wear

• Chrome moly wrist pins as standard, with options for upgraded 9310 and Turbo Tuff/DLC alloys

• Unique fixturing allows for skirt turning and ring groove machining in a single operation

• Exacting ring land and groove standards to ensure optimal seal and power output

• Designed specifically for high-performance Subaru WRX/STI engines

• Not carb approved; requires carb acknowledgement for legal use in specific applications

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1