Engine Internals

Crankshafts Crankshafts
Engine Bearings Engine Bearings
Gaskets Gaskets
Hardware Hardware
Head Gaskets Head Gaskets
Oil Pumps, Pans, & Pickups Oil Pumps, Pans, & Pickups
Pistons Pistons
Rods Rods
Valvetrain Valvetrain
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Subaru (OEM) Engine Overhaul Gasket Kit, 2008-2018 STi
In Stock!

Subaru (OEM) Engine Overhaul Gasket Kit, 2008-2018 STi

$289.23

Subaru (OEM) EJ257 Engine Block (Case Half Castings Only), '04-'18 STi
Available For Order!

Subaru (OEM) EJ257 Engine Block (Case Half Castings Only), '04-'18 STi

$1,183.12

Subaru (OEM) Valve Cover Gaskets (Pair/2), '04-'18 STi & '06-'14 WRX
In Stock!

Subaru (OEM) Valve Cover Gaskets (Pair/2), '04-'18 STi & '06-'14 WRX

$25.90

Subaru (OEM) Spark Plug Valve Cover Gasket (Each), '02-'14 WRX & '04-'18 STi
In Stock!

Subaru (OEM) Spark Plug Valve Cover Gasket (Each), '02-'14 WRX & '04-'18 STi

$9.95

Subaru (OEM) TGV to Head Gasket (Pair), 2002-2014 WRX & 2004-2018 STi
In Stock!

Subaru (OEM) TGV to Head Gasket (Pair), 2002-2014 WRX & 2004-2018 STi

$14.00

Subaru (OEM) Intake Manifold to TGV Gaskets (Pair), '02-'14 WRX & '04-'18 STi
In Stock!

Subaru (OEM) Intake Manifold to TGV Gaskets (Pair), '02-'14 WRX & '04-'18 STi

$22.30

Subaru (OEM) Oil Pump (11mm), 2008-2018 STi
In Stock!

Subaru (OEM) Oil Pump (11mm), 2008-2018 STi

$156.93

Subaru (OEM) Water Pump Gasket, 2002-2014 WRX & 2004-2018 STi
In Stock!

Subaru (OEM) Water Pump Gasket, 2002-2014 WRX & 2004-2018 STi

$9.00

JE Billet Race Pistons (100mm, 8.8cr, Set/4), '04-'18 STi & '06-'14 WRX
Available For Order!

JE Billet Race Pistons (100mm, 8.8cr, Set/4), '04-'18 STi & '06-'14 WRX

$1,160.91

Subaru (OEM) Crankshaft EJ257 (Induction Hardened), 2004-2018 STi
In Stock!

Subaru (OEM) Crankshaft EJ257 (Induction Hardened), 2004-2018 STi

$320.51

Subaru (OEM) Crankshaft EJ257 (Not Treated), 2004-2018 STi
Available For Order!

Subaru (OEM) Crankshaft EJ257 (Not Treated), 2004-2018 STi

$343.40

Subaru (OEM) AVCS Control Valve Gasket (Exhaust, Right Hand), '08-'18 STi
Available For Order!

Subaru (OEM) AVCS Control Valve Gasket (Exhaust, Right Hand), '08-'18 STi

$4.35

Company23 Torque Plate (EJ25), 2004-2018 STi & 2006-2014 WRX
In Stock!

Company23 Torque Plate (EJ25), 2004-2018 STi & 2006-2014 WRX

$265.46

ARP "Ultra-Torque" Fastener Assembly Lubricant (0.5 oz.)
Available For Order!

ARP "Ultra-Torque" Fastener Assembly Lubricant (0.5 oz.)

$2.79

Subaru (OEM) Bolt gasket, 2008-2018 WRX & STi & 2013-2017 BRZ & FR-S
Available For Order!

Subaru (OEM) Bolt gasket, 2008-2018 WRX & STi & 2013-2017 BRZ & FR-S

$1.38

Subaru (OEM) Water Pump and Cam Cap Bolts (Various), '93-'14 Impreza (ALL) & '98-'13 Forester (ALL)
Available For Order!

Subaru (OEM) Water Pump and Cam Cap Bolts (Various), '93-'14 Impreza (ALL) & '98-'13 Forester (ALL)

$2.17

Killer B Baffle Windage Tray, 2002-2014 WRX & 2004-2018 STi
In Stock!

Killer B Baffle Windage Tray, 2002-2014 WRX & 2004-2018 STi

$79.00

Subaru (OEM) STi 12mm Oil Pump, 2002-2014 WRX & 2004-2017 STi
Available For Order!

Subaru (OEM) STi 12mm Oil Pump, 2002-2014 WRX & 2004-2017 STi

$219.00

Subaru (OEM) Crankshaft EJ257, 2004-2018 STi
Available For Order!

Subaru (OEM) Crankshaft EJ257, 2004-2018 STi

$320.51

Tomei Head Studs (Set), 2002-2014 WRX & 2004-2018 STi
Available For Order!

Tomei Head Studs (Set), 2002-2014 WRX & 2004-2018 STi

$468.00

ACL "Race Series" Main Bearings (Standard Size, Set), '02-'14 WRX & '04-'18 STi
In Stock!

ACL "Race Series" Main Bearings (Standard Size, Set), '02-'14 WRX & '04-'18 STi

$55.46

ACL "Race Series" Main Bearings (+0.25mm Over Size, Set), '02-'14 WRX & '04-'18 STi - SAVE 10%!
In Stock!

ACL "Race Series" Main Bearings (+0.25mm Over Size, Set), '02-'14 WRX & '04-'18 STi - SAVE 10%!

$49.91

ACL "Race Series" Main Bearings (Std w/ Extra Clear, Set), '02-'14 WRX & '04-'18 STi
In Stock!

ACL "Race Series" Main Bearings (Std w/ Extra Clear, Set), '02-'14 WRX & '04-'18 STi

$55.46

ACL "Race Series" Rod Bearings (Std Size, Set), '02-'14 WRX & '04-'18 STi
In Stock!

ACL "Race Series" Rod Bearings (Std Size, Set), '02-'14 WRX & '04-'18 STi

$39.31

ACL "Race Series" Rod Bearings (Std Size, Extra Oil Clear), '02-'14 WRX & '04-'18 STi
In Stock!

ACL "Race Series" Rod Bearings (Std Size, Extra Oil Clear), '02-'14 WRX & '04-'18 STi

$39.31

ACL "Race Series" Rod Bearings (+0.25mm, Set), '02-'14 WRX & '04-'18 STi - SAVE 10%!
In Stock!

ACL "Race Series" Rod Bearings (+0.25mm, Set), '02-'14 WRX & '04-'18 STi - SAVE 10%!

$35.38

ARP Head Studs, 2002-2014 WRX & 2004-2018 STi
In Stock!

ARP Head Studs, 2002-2014 WRX & 2004-2018 STi

$209.10

Cosworth Air Pump Delete Plates w/ Hardware, '06-'08 WRX & '07-'08 STi
In Stock!

Cosworth Air Pump Delete Plates w/ Hardware, '06-'08 WRX & '07-'08 STi

$86.00

ACL "Race Series" Crankshaft Main Bearings (+0.025mm, Set), '02-'14 WRX & '04-'18 STi
In Stock!

ACL "Race Series" Crankshaft Main Bearings (+0.025mm, Set), '02-'14 WRX & '04-'18 STi

$55.46

ACL "Race Series" Main Bearings (+0.50, Set), '02-'14 WRX & '04-'18 STi
Available For Order!

ACL "Race Series" Main Bearings (+0.50, Set), '02-'14 WRX & '04-'18 STi

$55.46

Killer B "Ultimate" Oil Pick Up, 2004-2018 STi & 2006-2014 WRX
In Stock!

Killer B "Ultimate" Oil Pick Up, 2004-2018 STi & 2006-2014 WRX

$179.00

Killer B Oil Pan, 2002-2014 WRX & 2004-2018 STi
In Stock!

Killer B Oil Pan, 2002-2014 WRX & 2004-2018 STi

$513.00

Subaru (OEM) Cam Seal, 2.0L WRX Int. & Exh. / 2.5L Exh. Only
In Stock!

Subaru (OEM) Cam Seal, 2.0L WRX Int. & Exh. / 2.5L Exh. Only

$5.95

Subaru (OEM) Crank Seal In Front Of Oil Pump, '02-'14 WRX & '04-'18 STi
In Stock!

Subaru (OEM) Crank Seal In Front Of Oil Pump, '02-'14 WRX & '04-'18 STi

$7.77

Subaru (OEM) Cam Seal (Intake Cam), 2004-2018 STi & 2006-2014 WRX
In Stock!

Subaru (OEM) Cam Seal (Intake Cam), 2004-2018 STi & 2006-2014 WRX

$5.95

Subaru (OEM) Cam Sprocket Bolt, Intake, 2004-2018 STi & 2006-2013 WRX
In Stock!

Subaru (OEM) Cam Sprocket Bolt, Intake, 2004-2018 STi & 2006-2013 WRX

$7.70

Subaru (OEM) Cam Sprocket Bolt, '02-'05 WRX & '06-'14 WRX/'04-'07 STi (EX Only)
In Stock!

Subaru (OEM) Cam Sprocket Bolt, '02-'05 WRX & '06-'14 WRX/'04-'07 STi (EX Only)

$3.84

Company23 Piston Ring Compressor (96.52mm-100.33mm), '04-'18 STi & '06-'14 WRX
In Stock!

Company23 Piston Ring Compressor (96.52mm-100.33mm), '04-'18 STi & '06-'14 WRX

$40.46

Subaru (OEM) Water Pump, 2005-2007 WRX & 2004-2018 STi
In Stock!

Subaru (OEM) Water Pump, 2005-2007 WRX & 2004-2018 STi

$122.60

Subaru (OEM) Head Gasket (Each), 2006-2014 WRX & 2007-2018 STi
In Stock!

Subaru (OEM) Head Gasket (Each), 2006-2014 WRX & 2007-2018 STi

$42.50

Subaru (OEM) Engine Block Case Bolt (8 Required, Sold Each), EJ Series Engines
In Stock!

Subaru (OEM) Engine Block Case Bolt (8 Required, Sold Each), EJ Series Engines

$3.87

Subaru (OEM) Engine Block Case Bolt (1 Required), EJ Series Engines
In Stock!

Subaru (OEM) Engine Block Case Bolt (1 Required), EJ Series Engines

$1.26

Subaru (OEM) Engine Block Case Bolt (1 Required, Sold Each), EJ Series Engines
In Stock!

Subaru (OEM) Engine Block Case Bolt (1 Required, Sold Each), EJ Series Engines

$1.98

Subaru (OEM) Engine Block Case Bolt (6 Required, Sold Each), '02-'07 WRX & '04-'18 STi
In Stock!

Subaru (OEM) Engine Block Case Bolt (6 Required, Sold Each), '02-'07 WRX & '04-'18 STi

$2.51

Subaru (OEM) Engine Block Case Bolts (2 Req'd, Sold As Pair), EJ Series Engines
In Stock!

Subaru (OEM) Engine Block Case Bolts (2 Req'd, Sold As Pair), EJ Series Engines

$5.88

ACL "Standard Series" Main Bearings (Standard Size, Set), '02-'14 WRX & '04-'18 STi - SAVE 10%!
In Stock!

ACL "Standard Series" Main Bearings (Standard Size, Set), '02-'14 WRX & '04-'18 STi - SAVE 10%!

$29.93

Subaru (OEM) Intake AVCS Solenoid Gasket, '04-'18 STi & '06-'14 WRX
In Stock!

Subaru (OEM) Intake AVCS Solenoid Gasket, '04-'18 STi & '06-'14 WRX

$3.26

Subaru (OEM) O-Ring (Crankcase, Between Block Halves), '02-'18 WRX/STi & BRZ
In Stock!

Subaru (OEM) O-Ring (Crankcase, Between Block Halves), '02-'18 WRX/STi & BRZ

$4.59

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