Rated for 700+ whp / 30+ psi

"All The Beans" EJ25 Closed Deck

This EJ25 short block includes:

• New Subaru case halves
• Outfront's v4 closed deck process
• 1/2" studs w/ block machining
• CP forged pistons
• Manley Turbo Tuff I-beam rods w/ARP rod bolts
• Rotating assy spin balance
• King XPG bearings
• New OE heat treated crankshaft

This short block is assembled to our specifications by Outfront Motorsports. We list the most common engine configurations for all power levels but custom options are available and every build can be customized to meet your needs. Don't forget to order related items such as gasket kit, oil pump, oil cooler, head studs. If you are unsure what to order please send us your build details and we'll make sure you get exactly what you need the first time!

Compression Ratio: 8.5:1 on D Cylinder Heads (EJ255)
Compression Ratio: 8.2:1 on B, V and W EJ257 Heads with standard thickness gasket.

Additional Options Available:

• 11mm Subaru Oil Pump
• 12mm JDM Oil Pump
• JE Pro Seal Head Gaskets

1/2" inch studs keep the heads locked down in high boost applications.  We recommend this upgrade for anyone planning to run 32+ pounds of peak boost.  Price includes the studs and machining for the block.  Heads will also need machining to accomodate larger studs.

If you'd like to send your heads in for machining, add a standard valve job from the recommended items below and choose the 1/2" stud machining option.  Shipping instructions for your heads with come via email when we process your order.

Ships via FedEx Ground in a custom shipping box, signature required.

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