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EJ25 Closed Deck "The Grudge Racer"

Price: $9,432.00
Brand:  Off The Line Performance
Product Code:  OTL GRUDGE
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Rated for 900+ whp / 30+ psi

"The Grudge Racer" EJ25 Closed Deck

This EJ25 short block incudes:

  • New OE Case Halves
  • Outfront's v4 Closed Deck
  • 1/2" Head Studs w/ block machining
  • Pinned Mains & Align Hone
  • ARP Case Bolts
  • CP Forged Pistons
  • Manley Turbo Tuff I-Beam Rods
  • King XPG Engine Bearings
  • Molnar Billet Crankshaft
  • Rotating Assembly Balance
  • Piston Crown & Skirt Coating
  • WPC Crank, bearings, rods & wrist pins

This block is designed for the dedicated racer looking for every advantage.  The latest v4 closed deck design offers the highest level of support for the combustion area with approx 1/2" of billet decking material.  Internal components are WPC treated to reduce friction and wear. 

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.  

 

Built to order, normally ships within 5 to 6 weeks. Ships via FedEx Ground in a custom shipping box, signature required.

 

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