JE Pistons Subaru EJ Series Piston – 99.52 mm Bore – 1.210 in. CH, -14.10 CC Set of 1 310927L

JE Pistons Subaru EJ Series Piston – 310927L

When it comes to performance and reliability, the JE Pistons Subaru EJ Series Piston is a standout choice for enthusiasts looking to upgrade their Subaru engines. Designed specifically for the EJ257 STI engine, this piston offers a perfect fit and exceptional performance, making it a top pick for both street and racing applications.

Why Choose JE Pistons?

With over 75 years of experience in the industry, JE Pistons is renowned for its high-quality forged racing pistons. Each piston is engineered, forged, and machined in the USA, ensuring that you get the best durability and performance tailored to your engine’s specific needs. Whether you’re hitting the drift track or the drag strip, JE Pistons have proven their worth time and again.

Key Features

< li >Premium Forged Construction: Made from 2618 aluminum, these pistons provide the high tensile strength required for demanding performance applications.

< li >Optimized Design: Each piston is specifically designed for its engine and application, ensuring exceptional performance and durability.

< li >Proprietary Forged Side Relief (FSR): This unique design minimizes friction and power loss, featuring a reduced skirt width and a shorter wrist pin for added weight savings.

< li >Skirt Coating: Depending on the application, this coating reduces friction and wear on piston skirts and cylinder walls while lowering operating noise.

< li >Accumulator Groove: This feature helps manage combustion gas pressure, reducing ring flutter and improving ring seal for consistent power delivery.

< li >Complete Kit: Comes with high-quality wrist pins, locks, and JE Pro Seal premium piston rings for your convenience.

< li >Made in the USA: Proudly manufactured in the United States for quality you can trust.

Specifications

< li >Piston Series: JE Pistons

< li >Cylinder Head: EJ257 STI

< li >Bore Diameter: 99.52 mm

< li >Piston Head Type: Dish

< li >Compression Height: 1.210 inch

< li >Piston Volume: -14.10 CC

< li >Piston Material: 2618 Aluminum

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Left

< li >Piston Average Weight: 392 grams

< li >Ring Set Included: Yes

< li >Top Compression Ring Thickness: 0.0480 inch

< li >Second Compression Ring Thickness: 0.0480 inch

< li >Wrist Pin Material: 9310 Nickel Carbon Steel Alloy

< li >Wrist Pin Outer Diameter: 0.905 inch

< li >Wrist Pin Length: 2.250 inch

< li >Wrist Pin Wall Thickness: 0.180 inch

< li >Sold As: Set of 1

Customer Feedback

Customers have praised the JE Pistons Subaru EJ Series Piston 310927L for its reliable performance and durability. Many have noted significant improvements in their engine’s responsiveness and power output after installation. Enthusiasts appreciate the precision engineering that JE Pistons provides, making this piston a popular choice for serious racers and daily drivers alike.

Upgrade your Subaru EJ257 STI engine with the JE Pistons Subaru EJ Series Piston and experience the difference in performance and reliability!

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