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Engines and Components Engines, Blocks and Components

Subaru OEM

FA20 Short Block Engine

$2,763.44 $2,166.54 Save $596.90

SKU: 10103AC260

In Stock
In Stock
Ships by Aug 4
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Subaru OEM 10103AC260 is a bone stock, brand new, genuine OEM fully assembled short block engine designed for FA20 engines. This part serves as a foundational component for a reliable Subaru engine. This short block is capable of safely handling up to 300 wheel horsepower and 360 brake horsepower with proper maintenance and a solid tune. For those seeking higher performance capabilities, this OEM block can be combined with CrawfordSPEC pistons or a piston/long rod combo to assemble a Crawford-built short block that can handle up to 600 wheel horsepower. Pre-built block options are also available. It is important to note that OEM motors have a 3-5 business day lead time before shipping. Engine gasket and seal kits are sold separately.

MIA's Description

The Subaru OEM 10103AC260 is a genuine, fully assembled short block engine. It is designed for Subaru FA20 engines. This OEM part offers a baseline for reliable engine performance.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSubaru OEM
Part Number10103AC260
CategoryEngines and Components

Buy with Confidence

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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