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IAG 900 Closed Deck Long Block E...
The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete,...
The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer significant ease of installation for customers seeking a complete "drop-in" engine package for their WRX, STI, Forester XT or Legacy GT....
$12,749.99 $11,474.99
IAG 700 Closed Deck Long Block E...
IAG 700 EJ25 Closed Deck Long Block w/ Stage 3 Heads: The IAG Performance Hand-Built Subaru EJ25 ...
IAG 700 EJ25 Closed Deck Long Block w/ Stage 3 Heads: The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer significant ease of installation for customers seeking a complete "drop-in"Â engin...
$11,549.99 $10,394.99
IAG 600 Long Block Engine w/ Sta...
The IAG Performance Hand-Built Subaru EJ25 Long Block Engine Packages are a complete, valve cover...
The IAG Performance Hand-Built Subaru EJ25 Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer significant ease of installation for customers seeking a complete "drop-in" engine package for their WRX, STI, Forester XT or Legacy GT. The Long Blo...
$10,449.99 $9,404.99
IAG 500 Long Block Engine w/ Sta...
The IAG Performance Hand-Built 500 Subaru EJ25 Long Block Packages are a complete, valve cover to...
The IAG Performance Hand-Built 500 Subaru EJ25 Long Block Packages are a complete, valve cover to valve cover, crate engine. These engines offer significant ease of installation for customers seeking a complete "drop-in" engine package for their Subaru WRX, STI, Forester XT or Legacy GT. The Long...
$9,349.99 $8,414.99
IAG Magnum EJ25 Subaru Closed De...
The IAG Magnum Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the...
The IAG Magnum Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts that transform the block into a solid deck. The unique inserts feature small passages that allow neede...
$5,999.99 $5,399.99
IAG Stage 1 2.5L Subaru Short Bl...
The IAG Stage 1 Short Block is perfect for lightly modified EJ25 Subaru's that need a basic a...
The IAG Stage 1 Short Block is perfect for lightly modified EJ25 Subaru's that need a basic and reliable performance short block. Subaru turbo engines are commonly known for piston ring land failures and if gone unchecked lead to rod knock and total engine failure due to oil starvation from b...
$3,599.99 $3,239.99
IAG Stage 2.5 EJ25 Subaru Closed...
The IAG Stage 2.5 Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines ...
The IAG Stage 2.5 Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts that transform the block into a solid deck. The unique inserts feature small passages that allow ne...
$4,799.99 $4,319.99
IAG Stage 2 Tuff 2.5L Subaru Sho...
The IAG Stage 2 Tuff short block starts with new Subaru 2.5L EJ25 engine case halves that are bor...
The IAG Stage 2 Tuff short block starts with new Subaru 2.5L EJ25 engine case halves that are bored and honed to 99.75 on our in-house Sunnen SV-30 the most advanced automotive cylinder hone available. IAG's in-house honing process is able to set piston to wall clearances tighter for a quieter ru...
$4,199.99 $3,779.99
IAG Stage 2 2.5L Subaru Short Bl...
The IAG Stage 2 Short Block is designed for modified EJ25 Subaru's that need a beefed-up performa...
The IAG Stage 2 Short Block is designed for modified EJ25 Subaru's that need a beefed-up performance short block. The IAG Stage 2 short block builds off the Stage 1's strengths by adding IAG Spec H-Beam forged connecting rods. The upgraded rods and bearings are able to support additional engine l...
$3,799.99 $3,419.99
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