Engine & Cooling

Grimmspeed GrimmSpeed Radiator Hose Kit, Black - 08-14 WRX, 08-17 STI, 09-13 FXT

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the...

$110.00
Availability: In Stock
CP Piston & Ring Set for Acura B18C1 - Bore (81.5mm) - Compression Ratio (9.8)

CP Pistons - Sport Compact Pistons: Whether you’re racing a Honda, Acura, Mitsubishi, Toyota, Nissan, or Subaru, CP Pistons has specially designed high-performance pistons off-the-shelf. In most...

$588.00
Availability: In Stock
Radium Engineering Air Oil Separator (AOS-R) Kit, 2015+ WRX, 14+ Forester XT

This kit is compatible with the 2015+ Subaru WRX and 2014+ Subaru Forester XT with...

$499.95
Availability: In Stock
Radium Engineering Air Oil Separator (AOS-R) Kit, Subaru 02-14/2015+ STi/Saab 9-2X

High-powered modified Subaru engines tend to generate excessive blow-by oil and gasses. In these cases,...

$449.95
Availability: In Stock
Fluidampr Subaru EJ Series Steel Internally Balanced Damper

Fluidampr® – Sport Compact Engine performance upgrades increase the naturally occurring characteristics of harmful crankshaft...

$389.07
Availability: In Stock
Fluidampr Subaru BRZ/Scion FR-S/Toyota 86 FA20/4U-GSE 2014+ Steel Internally Balanced Damper

Protect your engine.  A Fluidampr performance damper provides premium, broad range control of destructive crankshaft...

$389.07
Availability: In Stock
Manley Subaru EJ20/EJ25 4340 Billet Turbo Tuff Series Crankshaft

"Race Series" cranks are now available for Mitsubishi 4G63/4G64; along with our fully machined "Turbo...

$1,625.00
Availability: In Stock
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) (Size STD) Tri-Metal Perf Rod Bearing Set

What makes King Engine Bearings track tough and street smart?Our HP and XP lines are...

$58.00
Availability: In Stock
King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) (Size STD) Performance Main Bearing Set

King conducted extensive research into the unique oiling circumstances of the Subaru EJ series engines....

$98.00
Availability: In Stock
ACL Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Standard Size High Performance Rod Bearing Set

The unique combination of design, metallurgy and engineering come together to deliver what drivers expect...

$55.75
Availability: In Stock
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Standard Size High Performance Main Bearing Set

The unique combination of design, metallurgy and engineering come together to deliver what drivers expect...

$91.24
Availability: In Stock
Subaru OEM STi Forged Nitrate Treated Crankshaft

This crankshaft from Subaru is their latest and greatest factory EJ crankshaft. The crank is...

$381.56
Availability: In Stock
Subaru OEM 11mm Oil Pump (Subaru EJ20 / EJ25)

This is the same oil pump that came stock on the 2008 STI. This will...

$194.95
Availability: In Stock
Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Connecting Rod Set

Manley Performance manufactures the finest steel connecting rods in the Sport Compact industry. Our Pro...

$437.60
Availability: In Stock
ACL Subaru 4 EJ20/EJ22/EJ25 High Performance Oil Pump

Brought to you by the same parent company as ACL Engine Bearings, Orbit high performance...

$246.24 $199.95
Availability: In Stock
K1 Technologies Subaru EJ20/25 Turbo 130.5mm H Beam Connecting Rods w/ARP2000 Bolts - Set of 4

K1 Technologies H-beam billet connecting rods offer energy transfer technology at its best! Manufactured from...

$397.23
Availability: In Stock
Manley Subaru WRX EJ205/STi EJ257 H Tuff Connecting Rod Set

Manley steel H-beam connecting rods are made from forged 4340 steel alloy. They're packed full...

$489.00
Availability: In Stock
Manley Subaru WRX / STI (EJ205/STi EJ257) Turbo Tuff Pro Series I Beam Connecting Rod Set

Manley Pro Series I-Beam Turbo Tuff connecting rods are assembled from high-quality 4340 forged steel....

$838.80
Availability: In Stock
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc Piston Shelf Stock Kit

Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than...

$576.00
Availability: In Stock
CP Piston & Ring Set for Subaru EJ257 WRX STi

These CP Pistons for the Subaru EJ257 WRX STi 2.5L Engine are engineered to withstand...

$679.00
Availability: In Stock
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 8.5:1 Dish Piston Set with Rings

Manley Platinum Series pistons are designed to provide trouble-free installation, excellent reliability, and maximum horsepower...

$583.00
Availability: In Stock
Wiseco Subaru EJ20/EJ25 Turbo 130.5mm - BoostLine Connecting Rod Kit

Introducing BoostLine Connecting Rods by Wiseco Performance Products! Our engineering team created this new, patent-pending...

$640.00
Availability: In Stock
B.Y.O.E (Build Your Own Engine) SUBARU EJ25

This brand new service will allow you to build your very own Subaru EJ25 engine...

$500.00
Availability: In Stock
Manley 94+ Integra GSR 1.8 VTEC DOHC (B18C) H Beam Connecting Rod Set

Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards...

$437.60
Availability: In Stock
Manley 02+ Acura RSX 2.0L VTEC DOHC K20 H-Beam Connecting Rod Set (Set of 4)

Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards...

$437.60
Availability: In Stock
ARP Honda/Acura 1.8L M9 rod bolt kit

ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for...

$95.13
Availability: In Stock
ARP Honda 1.5L L15 4cyl rod bolt kit

ARP - The world leader in fastener technology has just released a new ARP2000® connecting...

$136.64
Availability: In Stock
ARP Acura NSX 3.0L M9 rod bolt kit

Honda 3.0L (C30A) V6 Acura NSX M9 ARP 208-6004 Connecting Rod Bolts. Pro Series Wave-LOC...

$182.08
Availability: In Stock
ARP Honda/Acura K20A rod bolt kit

ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for...

$117.78
Availability: In Stock
ARP Honda S2000 rod bolt kit

ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for...

$117.78
Availability: In Stock
ARP Honda/Acura 1.2L & 1.6L M8 rod bolt kit

ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromoly...

$46.39
Availability: In Stock
ARP Acura B18A1/B1 main stud kidt

ARP main stud kits are made from 8740 chromoly steel and have a 190,000 psi...

$100.39
Availability: In Stock
ARP Honda/Acura B18C1 main stud kit

ARP main stud kits are made from 8740 chromoly steel and have a 190,000 psi...

$109.38
Availability: In Stock
ARP Honda B16A & VTEC main stud kit

ARP main stud kits are made from 8740 chromoly steel and have a 190,000 psi...

$98.62
Availability: In Stock
ARP Honda H22A & H23A main stud kit

ARP main stud kits are made from 8740 chromoly steel and have a 190,000 psi...

$122.41
Availability: In Stock
ARP Honda F20 S2000 head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$164.99
Availability: In Stock
ARP Honda/Acura K20A (A2 & A3) head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$166.68
Availability: In Stock
ARP Honda B16A head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$160.20
Availability: In Stock
ARP Honda 1.5L L15 SOHC 4cyl head stud kit

ARP high performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs....

$202.63
Availability: In Stock
ARP Honda H23A, head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$177.54
Availability: In Stock
ARP Honda B20B, with B16A head, head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$162.41
Availability: In Stock
ARP Honda D16Y head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$123.08
Availability: In Stock
ARP Honda H22 A4 VTEC head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$182.08
Availability: In Stock
ARP Honda/Acura B18C1 VTEC 12pt head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$162.41
Availability: In Stock
ARP Honda/Acura B18A1 12pt head stud kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated...

$170.52
Availability: In Stock
ARP Honda D16A & D16Z M10 head stud kit

It is for good reason that virtually every top professional engine builder relies on ARP...

$134.93
Availability: In Stock
ARP Honda B-Series 1.6, 1.7, 1.8 & 2.0L DOHC flywheel bolt kit

Flywheel and Flexplate bolts play an important role in the performance and safety of race...

$55.68
Availability: In Stock
ARP Honda D-Series 1.5L & 1.6L SOHC flywheel bolt kit

Flywheel and Flexplate bolts play an important role in the performance and safety of race...

$42.31
Availability: In Stock
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