Services

Mechanical Advantage offers a series of engine options for the Subaru EJ Engine series. Listed Below is our pricing for our base engines and cylinder heads. Feel free to contact us if you are interested in a variation of parts not listed or if you would like to refresh your used OEM components! We may be able to accommodate you!

MA Stage 1 Short Block
 

  • OEM Subaru Pistons
  • OEM Case Halves at 99.5mm (Stock Bore)
  • EJ257 Sti Connecting Rods
  • Induction Heated 2012+ STI Crankshaft
  • OEM Rod Bearings
  • OEM Main Bearings
  • OEM Main Case Bolts
  • MAR Blueprint Sheet
  • Power Output Rating: 350WHP

$1,999.99 +S/H

MA Stage 2 Short Block

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  • Manley 99.5mm Platinum Series Pistons
  • OEM Subaru Case Halves at 99.5mm (Stock Bore)
  • STI EJ257 Connecting Rods
  • Induction Heated 2012+ STI Crankshaft
  • OEM Rod Bearings
  • OEM Main Bearings
  • OEM Main Case Bolts
  • MAR Blueprint Sheet
  • Power Output Rating: 450WHP

$2,699.99

MA Stage 3 Short Block

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  • Manley 99.5mm Platinum Series Pistons
  • OEM Subaru Case Halves at 99.5mm (Stock Bore)
  • Manley H-Beam Forged Connecting Rods w/ ARP2000 Rod Bolts
  • Heat Induction 2012+ STI Crankshaft
  • ACL Race Rod Bearings
  • ACL Race Main Bearings
  • OEM Main Case Bolts
  • MAR Blueprint Sheet
  • Power Output Rating: 500WHP

$2,999.99

MA Stage 4 Short Block

  • Manley 99.5mm Platinum Series Pistons
  • Darton Sleeved EJ257 Case Halves
  • Brian Crower Sportsman H-Beam Forged Connecting Rods w/ ARP2000 Rod Bolts
  • Heat Induction 2012+ STI Crankshaft
  • ACL Race Rod Bearings
  • ACL Race Main Bearings
  • OEM Main Case Bolts
  • MAR Blueprint Sheet
  • Power Output Rating: 600WHP

$4,499.99

 

MA Stage 5 Short Block

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  • Manley Turbo Tuff Pistons
  • Darton Sleeved Case Halves
  • Manley I-Beam Forged Connecting Rods w/ ARP2000 Rod Bolts
  • Heat Induction 2012+ STI Crankshaft
  • ACL Race Rod Bearings
  • ACL Race Main Bearings
  • OEM Main Case Bolts
  • MAR Blueprint Sheet
  • Power Output Rating: 700WHP

$5,300

 

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Note: Prices On Short Blocks may vary based on component choices and substitutions. 
         Add Ons:

-ARP Case Bolts $600

-ARP 625+ Rod Bolts $120

-Block O-rings $200

-King Bearings $50



 

Cylinder Head Refresh

Tear Down, clean and rebuild Cylinder Heads (Refresh)

$750

Longblock Build Up

$500

Engine Install

$500

 

Built Cylinder Heads

  • Supertech Dual Valve Springs
  • Titanium Retainers
  • Chromoly Spring Locators
  • Supertech Valves
  • Brian Crower Cams
  • OEM Head Cases

$2,699.99 (Call for core charge)

 

Short Block Assembly Assistance/Advice

$200

 

Short Block Build Labor

(Depending on application- Please Email)

~$1200

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