Specifications
- Brand
- Wiseco
- Part #
- 6598M9975AP
- UPC
- 193564089496

Wiseco Subaru EJ257 WRX/STI 4v 99.75mm Bore -19cc Dish Piston (Single)
$224.99
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Wiseco forged piston for Subaru EJ257 WRX/STI. Features a 99.75mm bore and -19cc dish, made in the USA from 2618 aluminum for improved strength.
Key Features
- Fits Subaru EJ257 engines with a 99.75mm bore.
- Forged in the USA from 2618 aluminum for improved tensile strength.
- Features a -19cc dish for specific compression tuning.
- Includes precision ring grooves, anti-detonation groove, and enhanced ring seal features.
- ArmorGlide skirt coating reduces friction and seizure resistance.
- Fully machined crown and forced pin oiling contribute to its robust design.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Forged from 2618 aluminum in the USA, this Wiseco piston is built for the demands of performance Subaru EJ257 engines. It features a 99.75mm bore and a -19cc dish, designed to handle heavy to severe duty applications. The precision machining and advanced features aim to improve tensile strength and durability under stress.
This piston includes features like precision ring grooves, an anti-detonation groove, and additional ring seal improvements to ensure reliable operation. The ArmorGlide skirt coating helps reduce friction and noise while resisting seizure. The fully machined crown and forced pin oiling are also part of its well-built design, intended for serious engine builds where reliability is key.
Specifications
- Brand
- Wiseco
- Manufacturer Part #
- 6598M9975AP
- UPC
- 193564089496
Frequently Asked Questions
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Wiseco Subaru EJ257 WRX/STI 4v 99.75mm Bore -19cc Dish Piston (Single)
