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Mahle MS forged piston set for Subaru 2.5L engines is sized at 99.50mm bore with a 79.0mm stroke and supplied as a set of four. The kit lists a 130.5mm rod, 23mm pin and is specified around a roughly 8.5:1 compression ratio with a -22cc piston volume in this package. These pistons use Mahle’s MS series engineering for high-quality replacement or rebuild applications.
Mahle MS Piston Set Subaru 2.5L 99.50mm Bore 79mm Stroke 130.5mm Rod 23mm Pin -22cc 8.5 CR Set of 4
