JE Pistons Subaru EJ Series Piston – 99.52 mm Bore – 1.209 in. CH, -7.00 CC Set of 1 310936R

JE Pistons Subaru EJ Series Piston – 310936R

Looking to boost your Subaru’s performance? The JE Pistons Subaru EJ Series Piston is designed specifically for the EJ257 STI engine, ensuring a perfect fit and optimal functionality. With a bore diameter of 99.52 mm and a compression height of 1.209 inches, this piston is engineered to deliver the durability and efficiency you need for high-performance applications.

Why Choose JE Pistons?

With over 75 years in the industry, JE Pistons has established itself as a leader in forged racing pistons. Each piston is forged, engineered, and machined entirely in the USA, reflecting a commitment to quality and performance. Whether you’re hitting the drift track or the drag strip, JE Pistons have proven their worth on victory lanes time and time again.

Key Features

< li >Premium Material: Made from 2618 aluminum, offering exceptional tensile strength for demanding performance.

< li >Optimized Design: Each piston is tailored for specific engine applications, ensuring enhanced durability and performance.

< li >Proprietary Forged Side Relief (FSR): This innovative design minimizes friction and power loss, while also reducing weight.

< li >Skirt Coating: Depending on the application, this coating reduces friction and wear, leading to quieter operation.

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

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

< li >100% Made in the USA: Ensures top-notch quality and performance.

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: 1.209 inches

< li >Piston Volume: -7.00 CC

< li >Piston Material: 2618 Aluminum

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Right

< li >Piston Average Weight: 423 grams

< li >Ring Set Included: Yes

< li >Top Compression Ring Thickness: 0.0480 inches

< li >Second Compression Ring Thickness: 0.0480 inches

< li >Wrist Pin Material: 5115 Low Carbon Steel, Case Hardened

< li >Wrist Pin Outer Diameter: 0.905 inches

< li >Wrist Pin Length: 2.250 inches

< li >Wrist Pin Wall Thickness: 0.180 inches

< li >Sold As: Set of 1

Customer Feedback

Customers rave about the performance of the JE Pistons 310936R. Many have noted significant improvements in their Subaru’s acceleration and overall engine responsiveness. Enthusiasts appreciate the precision engineering and the peace of mind that comes with using a trusted brand like JE Pistons.

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

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