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GSC Single Valve Spring & Ti Retainer Kit - Subaru WRX / STI 2002-2021 (EJ Turbo Models) GSC Single Valve Spring & Ti Retainer Kit - Subaru WRX / STI 2002-2021 (EJ Turbo Models) Quick View
GSC

GSC Single Valve Spring & Ti Retainer Kit - Subaru WRX / STI 2002-2021 (EJ Turbo Models)

$282.46
5743
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valve Springs & Retainers Valvetrain Components
GSC5743 Cylindrical Valve Spring Kit with Ti Retainer for the Subaru Turbo EJ Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open...
GSC Beehive Spring & Titanium Retainer Kit - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments) Quick View
GSC

GSC Beehive Spring & Titanium Retainer Kit - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments)

$399.92
5043
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valve Springs & Retainers Valvetrain Components
GSC5043 Beehive Valve Spring Kit with Ti Retainer for Subaru Turbo EJ Platforms Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open...
Brian Crower Subaru BRZ/Scion FR-S/Toyota GT86 4UGSE Single Spring & Titanium Retainer Kit w/ Seats Quick View
Brian Crower

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

$394.00
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/EJ255/EJ257 2002-2021 Quick View
Brian Crower

Brian Crower Spring + Steel Retainers - Subaru WRX / STI EJ205/EJ255/EJ257 2002-2021

$195.00
BC0600S
All Best selling products Brian Crower Commerceinstruments Best Selling Products Engine Build Components New products Valve Springs & Retainers 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...
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King Bearings pMaxKote Rod Bearings 52mm Journal - Subaru EJ20/EJ22/EJ25 Quick View
King Bearings

King Bearings pMaxKote Rod Bearings 52mm Journal - Subaru EJ20/EJ22/EJ25

$107.72 $82.99
CR4125XPGC
All Best selling products Commerceinstruments Best Selling Products Engine Bearings Engine Build Components New products Rod Bearings
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...
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GSC P-D Chrome Polished Exhaust Valves 32mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2021 (Set of 8; +Multiple Subaru Fitments) Quick View
GSC

GSC P-D Chrome Polished Exhaust Valves 32mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2021 (Set of 8; +Multiple Subaru Fitments)

$146.70
2011-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
When designing these valves, GSC used advanced 3D design and simulation programs to create a stronger and higher flowing valve head design. Prototypes were...
GSC Traditional Intake Valve Guides - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments) Quick View
GSC

GSC Traditional Intake Valve Guides - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments)

$43.93
3028-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
GSC Power-Division Traditional Intake Valve Guide for Subaru EJ20/25 Series (EJ205, EJ207, EJ255, EJ257, EJ257B), smooth style Standard sized sold as set of 8 Oversized...
GSC Traditional Exhaust Valve Guides - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments) Quick View
GSC

GSC Traditional Exhaust Valve Guides - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments)

$41.45
3027-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
GSC Power-Division Traditional Exhaust Valve Guide for Subaru EJ20/25 Series (EJ205, EJ207, EJ255, EJ257, EJ257B), smooth style Standard sized sold as set of 8...
GSC P-D Chrome Polished Intake Valves 36mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) Quick View
GSC

GSC P-D Chrome Polished Intake Valves 36mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments)

$146.35
2012-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
When designing these valves, GSC used advanced 3D design and simulation programs to create a stronger and higher flowing valve head design. Prototypes were...
GSC Exhaust Valve Guides Stopper Style - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments) Quick View
GSC

GSC Exhaust Valve Guides Stopper Style - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments)

$41.45
3025-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
What they have done is actually quite simple, they made valve guides that fit properly, are easier to install, and shaped to help air...
GSC Intake Valve Guides Stopper Style - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Fitments) Quick View
GSC

GSC Intake Valve Guides Stopper Style - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Fitments)

$41.45
3026-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
What they have done is actually quite simple, they made valve guides that fit properly, are easier to install, and shaped to help air...
GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2002-2005 GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2002-2005 Quick View
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...
GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2006-2007 / STI 2004-2007 GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2006-2007 / STI 2004-2007 Quick View
GSC

GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2006-2007 / STI 2004-2007

$956.25
7025S2
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
GSC Power-Division billet S2 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suit the high horsepower...
Eagle 4340 H-Beam Connecting Rods - Subaru BRZ / Scion FR-S / Toyota 86 Quick View
Eagle

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

$392.16
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 WRX / STI 2002-2007 Quick View
Brian Crower

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

$866.00
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...
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ARP EJ20 & EJ25 Block Bolts - All Subaru EJ Engines Quick View
ARP

ARP EJ20 & EJ25 Block Bolts - All Subaru EJ Engines

$635.49
260-5401
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories Hardware 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 Quick View
GrimmSpeed

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 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 Replacement Donut Gasket - Multiple Subaru Applications Quick View
GrimmSpeed

GrimmSpeed Replacement Donut Gasket - Multiple Subaru Applications

$16.00
020099
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Gaskets Grimmspeed New products
GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem...
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Perrin Performance

Perrin O-Ring 60mm ID x 4mm Viton (Replacement for PN ASM-GAU-100)

$10.00 $8.50
PERX-BLT-M60X4MM-V75
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products Perrin Performance
Perrin O-Ring 60mm ID x 4mm Viton (Replacement for PN ASM-GAU-100)
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Quick View
Perrin Performance

Perrin O-Ring 2.879 x 2.739 x .070 Viton for AOS Body

$1.90 $1.62
PERX-BLT-039-V75
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products Perrin Performance
Perrin O-Ring 2.879 x 2.739 x .070 Viton for AOS Body
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Quick View
Perrin Performance

Perrin Replacement M8 X 20 Socket Cap Screw SS

$0.75 $0.64
PERX-BLT-M8X20CS-SS
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products Perrin Performance
Perrin Replacement M8 X 20 Socket Cap Screw SS
Torque Solution Cam Angle Sensor Bracket: Subaru WRX 2002-2005 Quick View
Torque Solution

Torque Solution Cam Angle Sensor Bracket: Subaru WRX 2002-2005

$61.10
TQSTS-SU-203
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products
Torque Solution Cam Angle Sensor Bracket: Subaru WRX 2002-2005This Part Fits: Year Make Model Submodel 2002-2005 Subaru Impreza WRX
Torque Solution HD Cam Bolt Kit Subaru EJ Single AVCS IN/EX Quick View
Torque Solution

Torque Solution HD Cam Bolt Kit Subaru EJ Single AVCS IN/EX

$57.77
TQSTS-SU-626-2-N-2
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
Torque Solution HD Cam Bolt Kit Subaru EJ Single AVCS IN/EX
Torque Solution 08-20 Subaru STI EJ25 HD Cam Bolt Kit for Dual AVCS Quick View
Torque Solution

Torque Solution 08-20 Subaru STI EJ25 HD Cam Bolt Kit for Dual AVCS

$61.10
TQSTS-SU-626-4
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
Torque Solution 08-20 Subaru STI EJ25 HD Cam Bolt Kit for Dual AVCS
Torque Solution HD Cam Bolt for Subaru EJ Single AVCS / Dual AVCS Quick View
Torque Solution

Torque Solution HD Cam Bolt for Subaru EJ Single AVCS / Dual AVCS

$15.54
TQSTS-SU-626-1
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
Torque Solution HD Cam Bolt for Subaru EJ Single AVCS / Dual AVCS
Torque Solution HD Cam Bolt Kit: Subaru EJ Non AVCS IN/EX Quick View
Torque Solution

Torque Solution HD Cam Bolt Kit: Subaru EJ Non AVCS IN/EX

$53.32
TQSTS-SU-626-N-4
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
Torque Solution HD Cam Bolt Kit: Subaru EJ Non AVCS IN/EX
Torque Solution HD Cam Bolt (Single) for Subaru EJ Single AVCS / Non AVCS IN/EX Quick View
Torque Solution

Torque Solution HD Cam Bolt (Single) for Subaru EJ Single AVCS / Non AVCS IN/EX

$14.43
TQSTS-SU-626-N-1
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
Torque Solution HD Cam Bolt (Single) for Subaru EJ Single AVCS / Non AVCS IN/EX
AMS Performance 2009+ Nissan GT-R R35 Alpha Camshafts AMS Performance 2009+ Nissan GT-R R35 Alpha Camshafts Quick View
AMS

AMS Performance 2009+ Nissan GT-R R35 Alpha Camshafts

$1,479.95
AMSALP.07.04.0011-1
All Best selling products Camshafts & Gears Commerceinstruments Best Selling Products Engine Build Components New products
The Alpha Series Camshafts for the VR38 are simply the best all-around solution for anyone with an upgraded turbo.This Part Fits: Year Make Model...
Overtake Intercooler Inlet Gasket Set - Subaru WRX 2002-2007 / STi 2004-2021 / FXT 2004-2008 Quick View
Overtake USA

Overtake Intercooler Inlet Gasket Set - Subaru WRX 2002-2007 / STi 2004-2021 / FXT 2004-2008

$15.00
A10037
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Gaskets New products
Overtake Intercooler Inlet Gasket Set | Be Done With Leaks The OEM Subaru Top Mount Intercooler (TMIC) gaskets are notorious for causing the most...
Overtake Intake Manifold to TGV Gasket (Pair) - Subaru WRX 2002-2007 / STi 2004-2021 / FXT 2004-2008 Overtake Intake Manifold to TGV Gasket (Pair) - Subaru WRX 2002-2007 / STi 2004-2021 / FXT 2004-2008 Quick View
Overtake USA

Overtake Intake Manifold to TGV Gasket (Pair) - Subaru WRX 2002-2007 / STi 2004-2021 / FXT 2004-2008

$12.00
A10036
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Gaskets New products
Overtake Intake Manifold Gasket | Be Done With Leaks Overtake Enlarged Bore Intake Manifold-to-TGV Gaskets are designed to enhance airflow and performance in your...
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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.
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