Engine Internals

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ACL Race Series Crankshaft Main Bearings (+0.025mm, Set), '02-'14 WRX & '04-'21 STi
In Stock!

ACL Race Series Crankshaft Main Bearings (+0.025mm, Set), '02-'14 WRX & '04-'21 STi

$80.81

ACL Race Series Main Bearings (Standard Size, Set), '02-'14 WRX & '04-'21 STi
In Stock!

ACL Race Series Main Bearings (Standard Size, Set), '02-'14 WRX & '04-'21 STi

$80.81

ACL Race Series Main Bearings (Std w/ Extra Clear, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Race Series Main Bearings (Std w/ Extra Clear, Set), '02-'14 WRX & '04-'21 STi

$80.81

ACL Race Series Rod Bearings (+0.25mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Race Series Rod Bearings (+0.25mm, Set), '02-'14 WRX & '04-'21 STi

$43.54

ACL Race Series Rod Bearings (Std Size, Extra Oil Clear), '02-'14 WRX & '04-'21 STi
In Stock!

ACL Race Series Rod Bearings (Std Size, Extra Oil Clear), '02-'14 WRX & '04-'21 STi

$43.54

ACL Race Series Rod Bearings (Std Size, Set), '02-'14 WRX & '04-'21 STi
In Stock!

ACL Race Series Rod Bearings (Std Size, Set), '02-'14 WRX & '04-'21 STi

$43.54

ARP Head Studs, 2002-2014 WRX & 2004-2021 STi
In Stock!

ARP Head Studs, 2002-2014 WRX & 2004-2021 STi

$225.27

Subaru (OEM) Connecting Rod Bolt (Each), 2004-2021 STi & 2006-2014 WRX
In Stock!

Subaru (OEM) Connecting Rod Bolt (Each), 2004-2021 STi & 2006-2014 WRX

$3.98

Subaru (OEM) Engine Block Case Bolt (1 Required), '02-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Engine Block Case Bolt (1 Required), '02-'14 WRX & '04-'21 STi

$1.44

Subaru (OEM) Engine Block Case Bolt (1 Required, Sold Each), '02-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Engine Block Case Bolt (1 Required, Sold Each), '02-'14 WRX & '04-'21 STi

$2.44

Subaru (OEM) Engine Block Case Bolt (8 Required, Sold Each), '02-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Engine Block Case Bolt (8 Required, Sold Each), '02-'14 WRX & '04-'21 STi

$4.55

Subaru (OEM) Engine Block Case Bolts (2 Req'd, Sold As Pair), '02-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Engine Block Case Bolts (2 Req'd, Sold As Pair), '02-'14 WRX & '04-'21 STi

$6.84

Subaru (OEM) Oil Pump (11mm), 2002-2014 WRX & 2004-2021 STi
In Stock!

Subaru (OEM) Oil Pump (11mm), 2002-2014 WRX & 2004-2021 STi

$256.56

Subaru (OEM) O-Ring (Oil Pick Up Tube), 2002-2014 WRX & 2004-2021 STi
In Stock!

Subaru (OEM) O-Ring (Oil Pick Up Tube), 2002-2014 WRX & 2004-2021 STi

$2.69

Subaru (OEM) Piston Wrist Pin Circlip (Each), '02-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Piston Wrist Pin Circlip (Each), '02-'14 WRX & '04-'21 STi

$2.10

Subaru (OEM) Valve Lifter Bucket (4.68mm, 0.1843"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.68mm, 0.1843"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.70mm, 0.1850"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.70mm, 0.1850"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.72mm, 0.1858"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.72mm, 0.1858"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.73mm, 0.1862"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.73mm, 0.1862"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.75mm, 0.1870"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.75mm, 0.1870"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.78mm, 0.1882"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.78mm, 0.1882"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.81mm, 0.1894"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.81mm, 0.1894"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.82mm, 0.1898"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.82mm, 0.1898"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.83mm, 0.1902"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.83mm, 0.1902"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.85mm, 0.1909"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.85mm, 0.1909"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.86mm, 0.1913"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.86mm, 0.1913"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.89mm, 0.1925"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.89mm, 0.1925"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.91mm, 0.1933"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.91mm, 0.1933"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.92mm, 0.1937"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.92mm, 0.1937"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.93mm, 0.1941"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.93mm, 0.1941"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.94mm, 0.1945"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.94mm, 0.1945"), '03-'14 WRX & '04-'21 STi

$31.10

Subaru (OEM) Valve Lifter Bucket (4.95mm, 0.1949"), '03-'14 WRX & '04-'21 STi
Available For Order!

Subaru (OEM) Valve Lifter Bucket (4.95mm, 0.1949"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.98mm, 0.1961"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.98mm, 0.1961"), '03-'14 WRX & '04-'21 STi

$32.45

Subaru (OEM) Valve Lifter Bucket (4.99mm, 0.1965"), '03-'14 WRX & '04-'21 STi
In Stock!

Subaru (OEM) Valve Lifter Bucket (4.99mm, 0.1965"), '03-'14 WRX & '04-'21 STi

$32.45

ACL Race Series Rod Bearings (+0.025mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Race Series Rod Bearings (+0.025mm, Set), '02-'14 WRX & '04-'21 STi

$43.54

ACL Race Series Rod Bearings (+0.50mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Race Series Rod Bearings (+0.50mm, Set), '02-'14 WRX & '04-'21 STi

$43.54

ACL Standard Series Connecting Rod Bearings (+0.25mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Connecting Rod Bearings (+0.25mm, Set), '02-'14 WRX & '04-'21 STi

$14.85

ACL Standard Series Main Bearings (+0.25mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Main Bearings (+0.25mm, Set), '02-'14 WRX & '04-'21 STi

$36.58

ACL Standard Series Main Bearings (+0.50mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Main Bearings (+0.50mm, Set), '02-'14 WRX & '04-'21 STi

$36.58

ACL Standard Series Main Bearings (+0.75mm, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Main Bearings (+0.75mm, Set), '02-'14 WRX & '04-'21 STi

$36.58

ACL Standard Series Rod Bearings (+0.50, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Rod Bearings (+0.50, Set), '02-'14 WRX & '04-'21 STi

$14.85

ACL Standard Series Rod Bearings (+0.75, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Rod Bearings (+0.75, Set), '02-'14 WRX & '04-'21 STi

$14.85

ACL Standard Series Rod Bearings (Standard Size, Set), '02-'14 WRX & '04-'21 STi
Available For Order!

ACL Standard Series Rod Bearings (Standard Size, Set), '02-'14 WRX & '04-'21 STi

$14.85

ARP Crankcase Main Studs, 2002-2014 WRX & 2004-2021 STi
Available For Order!

ARP Crankcase Main Studs, 2002-2014 WRX & 2004-2021 STi

$457.55

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

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

$3.01

JE FSR Pistons (100.00mm, 8.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX
Available For Order!

JE FSR Pistons (100.00mm, 8.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX

$899.99

JE FSR Pistons (100.00mm, 9.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX
Available For Order!

JE FSR Pistons (100.00mm, 9.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX

$899.99

JE FSR Pistons (99.50mm, 8.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX
Available For Order!

JE FSR Pistons (99.50mm, 8.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX

$899.99

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