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Engines and Components› Pistons and Piston Rings

Mahle

Mahle MS Piston Set Subaru 2.5L 100.0mm Bore 79mm Stroke 130.5mm Rod 23mm Pin -22cc 8.5 CR Set of 4

$806.70 $742.16 Save $64.54

SKU: M002 930285137

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Overview

The Mahle MS Piston Set is engineered specifically for Subaru 2.5L engines, ensuring a precise fit that enhances overall engine performance. With a bore size of 100.0mm and a stroke of 79mm, these pistons are designed to optimize combustion efficiency. The 8.5:1 compression ratio provides a balanced approach for both power and reliability, making this set suitable for daily driving as well as spirited performance applications.
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Part #: 930285137

100.0mm x 30.7mm CH, 79.0mm stroke,130.5mm rod,23mm pin,-19.3cc,417g,8.5CR, 2618

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMahle
Part NumberM002 930285137

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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