JE Pistons - jep291059R - Subaru EJ255/EJ257 Right Piston

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons. JE, Subaru, EJ Series, 3.917 in. Bore, 8.50:1, Inverted Dome/Dish, Right Piston Subaru EJ255

• Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to provide optimized performance durabilityProprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pinSkirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noiseAccumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent powerIncludes high-quality wrist pins, locks, and JE Pro Seal premium piston ringsMade 100% in the USA

Brief Description: The JE Pistons jep291059R is a right-side forged piston designed for Subaru EJ-series applications. It features a 3.917-inch bore, an 8.50:1 compression ratio, and an inverted dome/dish design. The piston is forged and machined in the USA from 2618 aluminum for high tensile strength in demanding performance applications.

Key Features & Performance Benefits:

• 2618 Aluminum Forging: Provides high tensile strength for high-demand performance applications.
• Application-Specific Design: Engineered for the Subaru EJ255 and specified EJ-series engine applications to support optimized performance and durability.
• Forged Side Relief Design: Reduces skirt width to help minimize friction and power loss while reducing weight with a shorter wrist pin.
• Performance Components: Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings.

Key Product Specifications & Technical Data:

• Brand: JE Pistons
• Part Number: jep291059R
• Application: Subaru EJ255
• Engine Family: Subaru EJ Series
• Bore: 3.917 inches
• Compression Ratio: 8.50:1
• Piston Design: Inverted dome/dish
• Orientation: Right piston

What's Included in the Box: One forged right piston, high-quality wrist pins, locks, and JE Pro Seal premium piston rings.

Fitment: Listed for Subaru EJ255 applications and described for a Subaru EJ257 block with an EJ20 head. Verify engine configuration and application requirements before installation. This product is not CARB approved, and the supplied product data identifies it as not EPA applicable.

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: false
Clearance Item: t
Units Per Sku: 1