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EJ25 Closed Deck "Bumped Up"

Price: $4,199.99
Brand:  Off The Line Performance
Product Code:  OTL BUMPED
Availability: 

Available Options

* Rod Upgrade:


* Assembly Components:





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Rated up to 700 whp / 30 psi

"Bumped Up" EJ25 Closed Deck

This EJ25 short block incudes:

  • New Subaru Case Halves
  • IAG S3 Closed Deck Process
  • Manley Platinum Series Forged Pistons
  • BC H-Beam Sportsman Rods
  • King XPG Bearings
  • New OE Heat Treated Crankshaft

This short block is assembled to our specifications by IAG Performance.  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.

Head Gasket Recommendations:

  • JE Pro Seal .039 inch head gaskets for B and D casting cylinder heads.
  • ​Cosworth 1.1mm head gaskets for all V and W casting cylinder heads.

Additional Options Available:

  • Manley Turbo Tuff I-Beam w/ARP Rod Bolts
  • 11mm Subaru Oil Pump
  • JE Pro Seal Head Gaskets
  • Hardware / Seal Option (Wrist pin plugs, washers, separator cover, bolts, etc. In case you don’t want to transfer from the original engine).

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

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