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  AMS 600HP EJ25 LONG BLOCK - STI 04-07
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Part #:
AMS-EJ25-LB
Retail Price:
$16698.44
Our Price:
$12844.95
You Save:
23%
Billet Piston Upgrade
Full Gasket Set
08 Subaru High Volume Oil Pump
Subaru Water Pump & Gasket
Subaru Timing Belt & Tensioner
Manley Turbo Tuff I-Beam Rods Upgrade

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  PRODUCT OVERVIEW
The AMS Subaru STI 600HP EJ25 Long Block is the ultimate solution for high horse power reliability. We use only the best off the shelf and custom designed AMS spec components. Combine that with the latest in machine and assembly practices and you are assured only the best!

All our engines are hand assembled at AMS using the same care as the engine in our 1142 awhp, world record holding AMS Drag EVO. Every motor is balanced, blueprinted and assembled to AMS’ exacting standards.

Before assembly each block is checked for correct dimensions, cylinder bore, mains, block flatness, etc… to ensure you get the best foundation for your new engine. Every engine we assemble has a build sheet where tolerances, torque specs, and clearances are documented.

Includes

* JE Pistons
* Manley H Beam Rods
* Billet Crank
* Cosworth Heads
* GSC Cams
* New OEM head gaskets
* High performance rod & main bearings
* ARP head studs
* Precision AMS spec machine work on block & crank
* Precise, documented hand assembly

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Autometer Phantom II Pedestal Mount Tachs Tachometer Mini-Monster Gauge 3 3/4" (95.3mm)

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Aftermarket Performance Parts for the Sti
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