Manley Performance 612002C-4 Platinum Series Pistons for Subaru Impreza 2004-2012 with 99.75mm Stroke and 8.5:1 Compression Ratio

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.

• 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.

Enhance your Subaru Impreza's engine performance with the Manley Performance Platinum Series pistons designed specifically for models from 2004 to 2012. Crafted from high-quality 2618 alloy forgings, these pistons deliver extraordinary strength and durability essential for high-performance applications. The proven cam and barrel skirt profiles optimize power output while maintaining gentle contact with cylinder walls, ensuring longevity and consistent performance. These pistons feature moly skirt coatings on select part numbers to reduce friction and wear, helping your engine operate smoothly under demanding conditions. The inclusion of premium Chrome Moly wrist pins provides reliable support for high-stress environments, with optional upgrades to 9310 and Turbo Tuff/DLC alloys for even greater durability in extreme tuning scenarios. Manley's unique fixturing process allows for precise skirt turning and ring groove machining in a single operation, ensuring perfect ring land and groove squareness for optimal sealing and enhanced power output. Each piston is engineered with strict adherence to exacting standards for ring lands and grooves, further improving ring seal and engine efficiency. These pistons are compatible with 99.75mm stroke and an 8.5:1 compression ratio, making them ideal for performance enthusiasts seeking reliable quality and superior performance. Please note that these pistons are not carb approved and require carb acknowledgment before installation. Suitable for professional engine builders and tuners, the Manley Platinum Series pistons are a reliable choice for maximizing your Subaru Impreza’s potential.

Features:

• Made from 2618 alloy forgings for high strength and durability

• Cam and barrel (skirt) profiles designed for power and cylinder wall friendliness

• Moly skirt coatings on select part numbers to reduce friction

• Chrome Moly wrist pins standard with optional upgrades to 9310 and Turbo Tuff/DLC alloys

• Unique fixturing ensures precise skirt turning and ring groove machining

• Exacting ring lands and grooves for improved ring seal and engine efficiency

• Designed for 99.75mm stroke and 8.5:1 compression ratio

Fitment:
2004 Subaru Impreza WRX STI
2005 Subaru Impreza WRX STI
2006 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2008 Subaru Impreza WRX STI
2009 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI Special Edition
2011 Subaru Impreza WRX STI
2011 Subaru Impreza WRX STI Limited
2012 Subaru Impreza WRX STI
2012 Subaru Impreza WRX STI Limited

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