Good Nasioc thread, built motor FAQ
Top feed conversion

Shopping list

• Outfront Motorsports, “Grocery Getter” Forged ShortblockSeasoned EJ257 case halves
  • Forged 8.2:1 Pistons (Default is CP but you can choose any shelf JE, Manley, or CP piston)
  • Outfront Motorsports H Beam Rods
  • King Performance Bearings
  • New OEM Subaru Heat Treated Crankshaft

Checklist

Short Block
Bearings
Crankshaft
Rods
Pistons
Head studs
Headgasket
EJ257 master gasket kit
Machining, verify heads
Verify cams
Phenolic spacers (GrimmSpeed 3mm or 8mm)
Thermostat
oil pump
Water pump
Timing belt
New pulleys and tensioners
OEM Oil cooler
Oil Pickup
Oil baffle
Oil pan
Turbo (ordered)
Turbo oil feed line (ordered)
Boost control solenoid (ordered)
Fuel pump (ordered)
Injectors (top / side feed -> nope) (ordered, side feed)
02-07 wrx top feeds will bolt up to 04-06 sti intake manifolds
MAF Hose (ordered)
Turbo Inlet hose (ordered)
Spark plugs (ordered)
Clutch
Wrap for up-pipe (remove heat shield)
Vacuum hoses (purge valve)
AC Belt (ordered)
Steering pump belt (ordered)
Tune