FEATURED BRAND = COVERKING CHECK OUT COVERKING NOW

Auto Barn
Est. 1957
Wiseco

Wiseco Subaru EJ257 WRX/STI 4v Dish -24cc 100 Piston Shelf Stock Kit

$763.99

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Wiseco EJ257 100mm forged piston set for Subaru WRX/STI. Built for severe duty race builds.

Key Features

  • Fits Subaru EJ257 WRX/STI engines.
  • Forged from 2618 aluminum in the USA for improved tensile strength.
  • 100.00 mm bore size with a -24cc dish.
  • Features precision ring grooves, anti-detonation grooves, and additional ring seal improvements.
  • ArmorGlide skirt coating reduces friction, resists seizure, and quiets operation.
  • Designed and built to withstand heavy to severe duty performance applications.
This piston set is designed for Subaru EJ257 engines. Please verify compatibility with your specific vehicle model and year.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

If you're rebuilding the engine in your Subaru EJ257 WRX or STI for serious performance, a strong set of pistons is where you start. This Wiseco shelf stock kit is built for those heavy-duty race applications where reliability under extreme stress is critical. These aren't your average pistons; they're forged from 2618 aluminum right here in the USA, giving them improved tensile strength over cast aluminum.

Wiseco machines these pistons with precision ring grooves, anti-detonation grooves, and other features designed to improve ring seal, which is crucial for maintaining compression and preventing blow-by under high boost. They also come with an ArmorGlide skirt coating. This coating helps reduce friction, resist seizure, and even makes operation quieter. The fully machined crown and forced pin oiling further contribute to their ability to handle severe duty performance builds.

This kit includes four pistons, each with a 100.00 mm bore and a -24cc dish. Remember that these pistons are not CARB approved and cannot be shipped to California. For a robust engine build aimed at competition, these Wiseco pistons offer a well-built foundation.

Specifications

Brand
Wiseco
Manufacturer Part #
K704M100
UPC
193564184054

Frequently Asked Questions

Wiseco Subaru EJ257 WRX/STI 4v Dish -24cc 100 Piston Shelf Stock Kit

$763.99