Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings

• 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 engine with the Manley Performance Platinum Series piston set designed specifically for 2002-2005 Subaru Impreza models and compatible vehicles like the Saab 9-2X. Crafted from high-quality 2618 alloy forgings, these pistons deliver exceptional strength and durability, making them ideal for high-performance applications. The pistons feature proven cam and barrel (skirt) profiles that generate significant power while being gentle on cylinder walls, ensuring longevity and reliable performance. These pistons are engineered to meet the demands of professional engine builders and tuners seeking superior quality and consistent results.
Manley pistons include chrome moly wrist pins as standard, with options for upgraded wrist pins made from 9310 or Turbo Tuff/DLC alloys for enhanced durability. The unique fixturing process used during manufacturing allows for precise skirt turning and ring groove machining in a single operation, ensuring optimal ring groove to skirt squareness. This attention to detail improves ring seal and overall engine efficiency. Additionally, the pistons feature meticulously machined ring lands and grooves to maximize sealing performance and power output, supporting a more efficient combustion process. Whether you're rebuilding a high-performance engine or enhancing your stock setup, these pistons provide the reliability and power you need.
Designed to fit specific Subaru models, these pistons are a critical component for those aiming to increase displacement and engine output. They are not carb-approved and require carb acknowledgment during installation. With their robust construction and precision engineering, the Manley Platinum Series pistons are an excellent choice for serious enthusiasts and professional tuners seeking high-performance upgrades for their Subaru EJ205 engine.

Features:

• 2618 alloy forgings for superior strength and performance

• Cam and barrel (skirt) profiles designed for high power output and gentle cylinder wall contact

• Chrome moly wrist pins standard; options for upgraded 9310 or Turbo Tuff/DLC alloys

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

• Exacting ring lands and grooves for optimal ring seal and power generation