select level 1
select level 2
select level 3
ARP

ARP Subaru WRX EJ20 & EJ25 Head Stud Kit

$219.99
260-4701
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products
This ARP head stud kit is made from 8740 chromemoly steel, 190,000 psi tensile strength. It is precision centerless ground and thread rolled to...

Subaru OEM Master Gasket and Seal Kit - Subaru STI 2008-2020

$357.62
10105AB2009X
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)

$94.35 $74.99
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)

$62.42 $49.99
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 Subaru WRX/STI EJ205/EJ257/EJ255 H Tuff Connecting Rod Set

$571.04
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...
ARP

ARP Subaru FA20 2.0L 4Cyl Head Stud Kit

$263.34
260-4301
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories 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,...

Manley 99.5mm STD Bore Pistons - Subaru WRX 2006-2014 / STi 2004-2020 (+Multiple Fitments)

$656.00
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

ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit

$279.99
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

ARP Subaru EJ Series DOHC Custom Age Head Stud Kit

$569.99
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 Series Rod Bearings - 52mm Journal - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016/ Toyota 86 2017-2020

$129.99
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...

Mountune Camshaft Set (V1) - Ford Focus ST 2013-2018 (+Ford 2.0L Ecoboost Engines)

$1,199.00
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)

$595.00
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

$1,195.00
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....

Brian Crower Spring and Titanium Retainers - Subaru WRX / STI EJ205/EJ257 2002-2020

$290.55
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...

Manley H-Beam Connecting Rods - Subaru WRX 2002-2014 / STi 2004-2021

$511.68
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...

King XPG Main Bearings - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016

$226.01 $169.99
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...

Brian Crower 6mm Exhaust Valve Guides - Subaru WRX 2002-2014 /STI 2004-2020

$76.97
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 2004-2020

$76.97
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...

Manley Platinum STD Stroke 92mm STD Bore 8.5:1 Dish Piston Set - 2002-2005 Subaru WRX (EJ205)

$656.00
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...

Brian Crower Subaru BRZ/Scion FR-S/Toyota GT86 4UGSE Single Spring & Titanium Retainer Kit w/ Seats

$382.18
BC0650
All Best selling products Brian Crower Commerceinstruments Best Selling Products Engine Build Components New products 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...

Brian Crower Spring + Steel Retainers - Subaru WRX / STI EJ205/EJ257 2002-2020

$188.38
BC0600S
All Best selling products Brian Crower Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature...

King Bearings pMaxKote Main Bearings - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016 (+Multiple Fitments)

$317.07 $229.99
MB5745XPGC
All Best selling products Commerceinstruments Best Selling Products Engine Bearings Engine Build Components Main Bearings New products
King's pMaxKote is a revolutionary new approach to coated bearings. this unique polymer coating is applied over King's pMaxBlack overlay at the King factory...
GSC

GSC P-D Viton 6mm Valve Stem Seal Set - Subaru WRX 2002-2014 / STI 2004-2020 (EJ20/EJ25; +Multiple Subaru Fitments)

$12.94
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...
GSC

GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2002-2005

$892.50
7020S2
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
GSC Power-Division billet S2 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subis. With...

Eagle 4340 H-Beam Connecting Rods - Subaru BRZ / Scion FR-S / Toyota 86

$399.98
CRS5089S3D
All Best selling products Commerceinstruments Best Selling Products Connecting Rods Engine Build Components New products
Forged SAE 4340 steel from 2 piece forging. Weight-matched to +/- 1g. 3/8” ARP 2000 rod bolts, unless otherwise noted. Alignment sleeves for precise...

Brian Crower Stage 2 Camshafts - Subaru STI 2008-2020

$851.60
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...

Brian Crower Stage 2 Camshafts - Subaru WRX / STI 2002-2007

$763.51
BC0601
All Best selling products Brian Crower Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
The Brian Crower Stage 2 Street/Strip Specification Cams for the WRX EJ205 and STI EJ257 are Plug and play application. Short duration for nice...
ARP

ARP Subaru WRX EJ20 & EJ25 Block Bolts

$424.99
260-5401
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products
*Main Studs* There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well...

GrimmSpeed Phenolic Spacer Upper Intake Manifold - Hyundai Genesis Coupe 3.8 2013

$69.00
071003
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Gaskets Gaskets & Miscellaneous Grimmspeed New products
Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more...

GrimmSpeed Top Mount Intercooler Blow-Off Valve Gasket - Subaru WRX 2002-2007 / STi 2004-2020

$13.00
020023
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Gaskets Flanges & V-Band Gaskets & Miscellaneous Grimmspeed New products
The OEM Subaru Top Mount Intercooler Gaskets are pretty weak, and will eventually give out. But fear not, GrimmSpeed has answered your call. Their...
Items 1 to 30 of 131 total
All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
×

Someone recently bought a

The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Please click Accept Cookies to continue to use the site.

Your cart

×