Engines and Components Engines, Blocks and Components

IAG

1000HP Closed Deck Short Block

$6,999.99

SKU: IAG-ENG-S1024

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In Stock
Ships by Aug 2
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Description

The IAG 1000FA24 Closed Deck Short Block is a high-performance engine component engineered to support up to 1000 brake horsepower. It is constructed using brand new Subaru OEM case halves and incorporates IAG's proprietary Fire-Lock™ receiver for enhanced durability under extreme conditions. Key internal components include +2mm IAG Spec H-Beam forged connecting rods and IAG-Spec JE Pistons. These pistons feature an electroless nickel-plated coating and H13 tool steel for increased strength and longevity. The standard bore size is 99.5mm, with options for 99.75mm on higher-level engines, ensuring a precise fit and optimal performance. This short block is specifically designed for the 2022-2026 Subaru WRX FA 2.4L engine. Fitment is crucial, and it is intended for these specific model years and engine configurations to ensure proper integration and performance.

MIA's Description

The IAG Performance IAG 1000 FA24 short block is engineered to handle up to 1000 BHP, offering a balance of street reliability and track performance. It features +2mm IAG Spec H-Beam forged connecting rods, IAG-Spec JE Pistons with electroless nickel-plated coating, and H13 tool steel wrist pins. The block is precision-machined for the Fire-Lock™ head gasket system and IAG 14mm head studs, and hand-assembled with ACL rod and main bearings.

Fitment

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Specifications

BrandIAG
Part NumberIAG-ENG-S1024
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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