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
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
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
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
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)
timing Belt Service
$350 Labor + Parts
Short Block Build Labor
(Depending on application- Please Email)
~$1200
