Home / Shop / Wiseco 2004+ Subaru EJ257 2.5L 16V WRX STI 100mm Bore 0.020 Oversize -15cc Vol 9.5 Comp - Set of 4

Wiseco 2004+ Subaru EJ257 2.5L 16V WRX STI 100mm Bore 0.020 Oversize -15cc Vol 9.5 Comp - Set of 4

SKU: WISK705M100

Pistons

WIS Piston Sets - 4 Cyl...

Wiseco

Wiseco 2004+ Subaru EJ257 2.5L 16V WRX STI 100mm Bore 0.020 Oversize -15cc Vol 9.5 Comp - Set of 4

SKU: WISK705M100

Pistons

WIS Piston Sets - 4 Cyl...

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco's Professional Series.

Application Summary

Subaru EJ257 2.5L 16V

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-10-14 16:44:49

Features

ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
Designed and built to withstand heavy to severe duty performance applications
Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
Forced pin oiling
Fully machined crown features
Precision ring grooves, anti-detonation groove, and additional ring seal improving features

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: K705M100
Product Attributes - Part Type: Pistons
Product Attributes - UPC: 193564184023

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisK705M100
SFX Item ID	4063541
Supplier Item Code	4063541
Manufacturer SKU	K705M100
Manufacturer UPC	193564184023
Alternative References	EJ257, 2.5L, 16V, 100mm, -15cc