Mahle MS Piston Set EJ25 99.75mm Bore 79.0mm Stroke Stock Rod 23mm Pin -22cc 8.5 CR Set of 4

The Mahle MS Piston Set for the EJ25 engine is a high-quality set of pistons designed for performance and durability. Featuring a 99.75mm bore and a 79.0mm stroke, these pistons are engineered to optimize engine efficiency and power output. Constructed with precision to match stock specifications, they include a 23mm wrist pin and a -22cc dish volume, resulting in an 8.5 compression ratio. This set of four pistons provides a reliable upgrade for Subaru EJ25 engines, ensuring consistent performance under demanding conditions. Built to meet OEM standards, these pistons deliver excellent thermal stability and wear resistance, making them suitable for both daily driving and performance applications.

Designed specifically for Subaru EJ25 engines, these pistons are compatible with models featuring a 2.5L boxer engine, typically found in Subaru Impreza, Outback, and Forester from the late 1990s onward. They serve as direct replacements for stock pistons, ideal for rebuilds, performance upgrades, or restoring engine integrity. Installation involves standard piston replacement procedures, and the set includes four pistons to complete a full engine rebuild. Suitable for street, track, or off-road use, these Mahle pistons ensure optimal compression and engine reliability in a variety of driving scenarios.