ARP Subaru WRX EJ20 & EJ25 Head Stud Kit
260-4701
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
Hardware
New products
When it comes to fortifying your Subaru's engine, the ARP Head Stud Kit offers a reliable solution. With a focus on quality and performance,...
Subaru OEM Master Gasket and Seal Kit - Subaru STI 2008-2021
10105AC180
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Gaskets
Gaskets & Miscellaneous
New products
Full Master Gasket kits come complete with every gasket or seal that you could possibly need when doing any level of engine work including,...
King XPG Series Main Bearings - Subaru WRX 2002-2014 / STI 2004-2020 (+Multiple Subaru Fitments)
MB5382XPG
All
Best selling products
Commerceinstruments Best Selling Products
Engine Bearings
Engine Build Components
Main Bearings
New products
King conducted extensive research into the unique oiling circumstances of the Subaru EJ series engines. What resulted is a completely re-engineered main bearing set...
King XPG Series Rod Bearings 52mm Journal - Subaru WRX 2002-2014 / STI 2004-2020 (+Multiple Subaru Fitments)
CR4125XPG
All
Best selling products
Commerceinstruments Best Selling Products
Engine Bearings
Engine Build Components
New products
Rod Bearings
These bearings are specifically engineered to solve premature bearing failure caused by low oil pressure or oil starvation that has plagued the high output...
Manley H Tuff Connecting Rod Set - Subaru WRX/STI EJ205/EJ257/EJ255
15024-4
All
Best selling products
Commerceinstruments Best Selling Products
Connecting Rods
Engine Build Components
New products
Manley "H-Tuff" connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is...
Manley 99.5mm STD Bore Pistons - Subaru WRX 2006-2014 / STi 2004-2021 (+Multiple Fitments)
612000C-4
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pistons / Rings
Made one too many passes at the drag strip? Or is your engine starting to get a little tired? Not a problem. Manley has provided...
ARP Subaru FA20 2.0L 4Cyl Head Stud Kit - Subaru WRX 2015-2021 / BRZ 2013-2020 (+Multiple Applications)
260-4301
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
Head Studs & Bolts
New products
It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated,...
Subaru OEM Master Gasket & Seal Kit - Subaru WRX 2015-2021 / Forester 2.0XT 2014-2018
10105AC700
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Gaskets
Gaskets & Miscellaneous
New products
This Subaru OEM gasket set includes everything you need to rebuild your engine to original specifications. Save time and money on your rebuild by...
Brian Crower Spring and Titanium Retainers - Subaru WRX / STI EJ205/EJ255/EJ257 2002-2021
BC0600
All
Best selling products
Brian Crower
Commerceinstruments Best Selling Products
Engine Build Components
New products
Valve Springs & Retainers
Valvetrain Components
Designed for high rpm, Brian Crower valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing...
King XPG Series Rod Bearings - 52mm Journal - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016/ Toyota 86 2017-2020
CR4616XPG
All
Best selling products
Commerceinstruments Best Selling Products
Engine Bearings
Engine Build Components
Main Bearings
New products
The FA20 bearings will be in XPG series with all the unique attributes found from the EJ series. To improve oil flow, oil slots...
ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit
260-4702
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
Head Studs & Bolts
New products
ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Each stud is placed vertically in special racks and...
ARP Subaru EJ Series DOHC Custom Age Head Stud Kit
260-4704
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
CUSTOM AGE 625+: This newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness, with complete resistance to atmospheric corrosion and oxidation....
King XPG Main Bearings - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016
MB5745XPG
All
Best selling products
Commerceinstruments Best Selling Products
Engine Bearings
Engine Build Components
Main Bearings
New products
Highly modified FA engines can suffer from issues similar to the EJ series, such as low oil pressure and oil starvation causing premature bearing...
GSC P-D Viton 6mm Valve Stem Seal Set - Subaru WRX 2002-2014 / STI 2004-2021 (EJ20/EJ25; +Multiple Subaru Fitments)
1022
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Valvetrain Components
GSC Power-Division Viton Valve Stem Seals for the Subaru EJ257, EJ207, and EJ205 6mm seal set. These are an upgrade from the standard OEM...
Subaru OEM Master Gasket and Seal Kit - Subaru WRX 2006-2007
10105AC160
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Gaskets
Gaskets & Miscellaneous
New products
Full Master Gasket kits come complete with every gasket or seal that you could possibly need when doing any level of engine work including,...
Mountune Camshaft Set (V1) - Ford Focus ST 2013-2018 (+Ford 2.0L Ecoboost Engines)
MTN6063-CS1-AA
All
Best selling products
Camshafts & Gears
Commerceinstruments Best Selling Products
Engine Build Components
New products
Mountune has been engineering camshafts for multi-valve Ford engines for over 35 years. Our extensive background in engine development and motorsports results in a...
Kelford Cams Dual Valve Springs & Titanium Retainers - Subaru WRX 2015-2021 (+Multiple Fitments)
KVS87-DT
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Valve Springs & Retainers
Valvetrain Components
The Kelford Cams KVS87-DT valve spring kit is designed for the Turbocharged 2015+ Subaru FA20 DIT engines. It features a Dual Spring and Titanium...
Kelford Cams 272/276 Degree Camshafts (264-A) - Subaru WRX 2015-2021
264-A
All
Best selling products
Camshafts & Gears
Commerceinstruments Best Selling Products
Engine Build Components
New products
272°/276° Kelford performance cams are designed to suit most motorsport applications. The cams are best for 2015-21 WRX FA20 DIT engines that produce 450hp-600hp....
Wiseco Sport Compact -9cc 8.4:1 Piston Set - Subaru WRX EJ20 2002-2005
K588M92
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pistons / Rings
Own a 02-05 Subaru WRX EJ20 and plan on building a motor? Wiseco is proven to make some of the best pistons on the market! Featuring...
Manley H-Beam Connecting Rods - Subaru WRX 2002-2014 / STi 2004-2021
14024-4
All
Best selling products
Commerceinstruments Best Selling Products
Connecting Rods
Engine Build Components
New products
Remember that one time when you got your first turbocharged car? Turn the boost up they said, get a bigger turbo they said, it’s...
Brian Crower 6mm Exhaust Valve Guides - Subaru WRX 2002-2014 /STI 2004-2021
BC3961
All
Best selling products
Brian Crower
Commerceinstruments Best Selling Products
Engine Build Components
New products
Valvetrain Components
BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking...
Brian Crower 6mm Intake Valve Guides - Subaru WRX 2002-2014 / STI 2004-2021
BC3960
All
Best selling products
Brian Crower
Commerceinstruments Best Selling Products
Engine Build Components
New products
Valvetrain Components
The ultimate in lightweight high performance, Brian Crower titanium retainers typically weigh in approximately 40% less than the factory OEM steel units. CNC machined...
Brian Crower Stage 2 Camshafts - Subaru STi 2008-2021
BC0623
All
Best selling products
Brian Crower
Camshafts & Gears
Commerceinstruments Best Selling Products
Engine Build Components
New products
BC high performance camshafts are ground on state-of-the-art CNC cam grinders to insure accuracy and tolerances to within .02mm. Every BC camshaft profile has...
Manley Platinum STD Stroke 92mm STD Bore 8.5:1 Dish Piston Set - 2002-2005 Subaru WRX (EJ205)
615000C-4
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pistons / Rings
Made one too many passes at the drag strip? Or is your engine starting to get a little tired? Not a problem. Manley has provided...
Turbosmart Bypass Valve Flange Gasket - Subaru WRX 2002-2007 / STi 2004-2021
TURTS-0205-3108
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Gaskets
Flanges & V-Band
Gaskets & Miscellaneous
New products
Replacement bypass valve / blow off valve gasket – Suits Subaru Flange for confirmed applications. Replacement Gasket for TS-0205-2056 (Flange Adapter Kit) and TS-0205-1015,...
IAG Performance IAG-ENG-1721 Short Block WRX FA20 DIT Plug & Rear Main Seal Kit
IAG-ENG-1721
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Gaskets
IAG Performance
New products
IAG Short Block WRX FA20 DIT Plug & Rear Main Seal Kit.
![IAG 600 FA20 DIT Subaru Short Block [600 BHP] - Subaru WRX 2015-2021](http://pattersonperformanceparts.com/cdn/shop/products/IAG-ENG-S600-01_270x270.jpg?v=1689730087)
![IAG 600 FA20 DIT Subaru Short Block [600 BHP] - Subaru WRX 2015-2021](http://pattersonperformanceparts.com/cdn/shop/files/api7qckik__51683.1633558599.1280.1280__88472.1678312186_270x270.jpg?v=1732735250)
IAG 600 FA20 DIT Subaru Short Block [600 BHP] - Subaru WRX 2015-2021
IAG-ENG-S600
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
IAG Performance
New products
Shortblocks
IAG 600 FA20 2.0L Short Block Includes: Case Halves -Brand new OEM Subaru FA20 case halves, bored and honed to 86.1mm Case Machining - Modified...
Torque Solution Lightweight Crank Pulley - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments)
TQSTS-SU-207A
All
Belts & Pulleys
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Applications: Subaru Impreza, WRX, Sti, Legacy, Forester Torque Solution has designed this crank pulley not only to improve performance but to surpass the quality...
Torque Solution Coil Pack Adapter: Audi / VW 1.8t ALL
TQSTS-VW-016
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
Torque Solution Coil Pack Adapter: Audi / VW 1.8t ALLThis Part Fits: Year Make Model Submodel 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet...
Cobb Bypass Valve Paper Gasket - Subaru WRX 2008-2014 (+Multiple Subaru / Mazda Fitments)
COBBBPV_PAPER_GASKET
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Gaskets
Gaskets & Miscellaneous
New products
This is a replacement for your factory bypass valve-to-intercooler gasket. It is important to replace this gasket any time you remove, replace, or upgrade...
