Manley 04+ Subaru WRX/STI EH257 99.50mm Bore STD Size 8.5:1 Dish Piston Set
$892.99
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 99.5mm/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.
Enhance your engine's performance with the Manley Performance Subaru WRX/STI 99.5mm bore dish piston set, designed to deliver exceptional durability and power. Crafted from high-quality 2618 alloy forgings, these pistons are engineered for strength and reliability in demanding applications. The signature Platinum Series features proven cam and barrel skirt profiles that optimize power output while minimizing stress on cylinder walls, making them ideal for high-performance builds. Each piston includes premium chrome moly wrist pins, with options for upgraded alloys such as 9310 and Turbo Tuff/DLC for added durability in extreme conditions.
Manley's unique fixturing process allows for precise skirt turning and ring groove machining in a single operation, ensuring perfect squareness and fitment. This meticulous manufacturing process results in strict adherence to optimal ring land and groove dimensions, which enhances ring seal and improves overall engine efficiency. The pistons are designed with cam and barrel profiles that generate substantial horsepower gains without compromising the longevity of your engine components.
These Subaru-specific pistons are suitable for applications requiring a 99.5mm bore and 8.5:1 compression ratio. Their robust construction and precise engineering make them a favorite among professional engine builders and tuners seeking reliable, high-performance components. Please note that these pistons are not CARB approved and require carb acknowledgment before installation. They are suitable for air freight and do not require LTL freight shipping. Trust Manley's reputation for superior quality and performance with your next engine upgrade.
Features:
- High-strength 2618 alloy forgings for durability and performance
- Proven cam and barrel skirt profiles optimize power output
- Premium chrome moly wrist pins included, with optional upgraded alloys
- Unique fixturing ensures precise skirt turning and ring groove machining
- Strictly manufactured ring lands and grooves for enhanced sealing