Manley 04+ Subaru WRX/STI EH257 100.0mm Bore +.50mm Size 8.5:1 Dish Piston Set
$849.99
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, SUBARU 100mm/1.209 CD/DISH T/T.
- 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.
The Manley Performance EH257 piston set is designed specifically for Subaru WRX and STI models from 2004 and later, offering reliable power and durability. Crafted from high-quality 2618 alloy forgings, these pistons provide superior strength necessary for high-performance applications. The design features proven cam and barrel skirt profiles that generate substantial power while minimizing wear on cylinder walls, making them suitable for both stock and tuned engines. This piston set also includes premium chrome moly wrist pins, standard on our series, with optional upgrades to 9310 and Turbo Tuff/DLC alloys for enhanced durability in demanding conditions.
Manley's innovative fixturing process ensures precise machining of ring grooves and skirt turning in a single operation, resulting in optimal ring seal and consistent ring land dimensions. This attention to detail translates into improved power output and engine efficiency. The pistons feature carefully engineered ring lands and grooves that adhere to strict standards, promoting better ring sealing, reduced blow-by, and increased horsepower.
Designed with performance in mind, these pistons incorporate cam and barrel profiles that balance power delivery and engine longevity. The use of domestic 2618 alloy forgings guarantees high strength-to-weight ratio, supporting high boost and aggressive tuning setups. The set is ideal for automotive enthusiasts and professional engine builders seeking reliable components for turbocharged Subaru engines. Please note that these pistons are not carb-approved and require proper acknowledgment for use in emissions-controlled environments. They are shipped without air freight restrictions, ensuring safe and efficient delivery for your high-performance build.
Features:
- 2618 alloy forgings for superior strength and performance
- Proven cam and barrel skirt profiles for optimal power delivery
- Chrome moly wrist pins included, with optional upgrades available
- Unique fixturing allows for precise ring groove and skirt machining
- Strictly machined ring lands and grooves for enhanced sealing and power