Wossner Forged Pistons for Subaru Impreza WRX STI EJ257 (2004-2008)

Upgrade your engine's performance with Wossner forged pistons, designed specifically for the Subaru Impreza WRX STI EJ257. With a bore size of 99.50mm and a stroke of 79.00mm, these pistons offer a compression ratio of 9.0:1, ensuring optimal power and efficiency.

Superior Engineering

Wossner is a leader in multivalve piston technology, utilizing dedicated in-house forgings to create lightweight yet robust pistons. The unique valve pockets, complex dome shapes, and optimized skirt profiles enhance performance while minimizing noise.

Complete Package

Each set comes complete with rings, wristpins, locks, and detailed specification sheets, making installation straightforward. The 130.5mm rod length and 23mm pin diameter ensure compatibility with your engine.

Why Choose Wossner at Racestage.eu?

At Racestage.eu, we are committed to providing high-quality performance parts. Our exclusive range of Wossner products guarantees reliability and superior performance for your Subaru. Choose us for expert advice and exceptional customer service!