IAG Performance 750 Closed Deck Includes: Case Halves - Converted to Closed Deck using brand new Subaru OEM case halves bored and honed to 99.75mm Pistons

Name: IAG Performance 750 Closed Deck Includes: Case Halves - Converted to Closed Deck using brand new Subaru OEM case halves bored and honed to 99.75mm Pistons
Brand: IAG Performance
SKU: I00A IAG-ENG-S750
Price: 5668.33 USD
Availability: InStock

$5,668.33

SKU: I00A IAG-ENG-S750

In Stock

Ships by Jun 20

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The IAG 750 Short Block is designed to address common issues in modified EJ25 engines at higher horsepower levels, incorporating IAG's proprietary closed deck system to strengthen cylinder walls and prevent cracks. It features 99.75mm JE Forged Pistons and IAG-Spec Tuff H-Beam connecting rods, along with ACL or King Race bearings, to reinforce common EJ25 failure points.

Fitment

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Specifications

Brand	IAG Performance
Part Number	I00A IAG-ENG-S750

Videos

IAG 750 EJ25 Block

What IAG block is right for you?

Closed Deck Block Explained

IAG Performance STI Closed Deck Testing

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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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