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Valvetrain Components

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Brian Crower Spring and Titanium Retainers - Subaru WRX / STI EJ205/EJ255/EJ257 2002-2021 Quick View
Brian Crower

Brian Crower Spring and Titanium Retainers - Subaru WRX / STI EJ205/EJ255/EJ257 2002-2021

$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...
GSC P-D Viton 6mm Valve Stem Seal Set - Subaru WRX 2002-2014 / STI 2004-2021 (EJ20/EJ25; +Multiple Subaru Fitments) GSC P-D Viton 6mm Valve Stem Seal Set - Subaru WRX 2002-2014 / STI 2004-2021 (EJ20/EJ25; +Multiple Subaru Fitments) Quick View
GSC

GSC P-D Viton 6mm Valve Stem Seal Set - Subaru WRX 2002-2014 / STI 2004-2021 (EJ20/EJ25; +Multiple Subaru Fitments)

$14.24
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...
Kelford Cams Dual Valve Springs & Titanium Retainers - Subaru WRX 2015-2021 (+Multiple Fitments) Quick View
Kelford Cams

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...
Brian Crower 6mm Exhaust Valve Guides - Subaru WRX 2002-2014 /STI 2004-2021 Quick View
Brian Crower

Brian Crower 6mm Exhaust Valve Guides - Subaru WRX 2002-2014 /STI 2004-2021

$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 2004-2021 Quick View
Brian Crower

Brian Crower 6mm Intake Valve Guides - Subaru WRX 2002-2014 / STI 2004-2021

$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...
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

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

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

$188.38
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...
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...
Quick View
Killer B Motorsport

Killer B Fumoto Valve 1/2NPT

$40.00
KLBT202N
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Killer B New products Valvetrain Components
Killer B Fumoto Valve 1/2NPT
Quick View
Killer B Motorsport

Killer B Fumoto Quick Change Valve 16mm-1.5

$34.00
KLBF108S
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Killer B New products Valvetrain Components
Killer B Fumoto Quick Change Valve 16mm-1.5This Part Fits: Year Make Model Submodel 2013-2016 Scion FR-S Base 2013-2017 Subaru BRZ Limited 2013-2017 Subaru BRZ...
GSC P-D Polished Exhaust Valve - 29mm Head (STD) - (SET 8) 2013 Scion FR-S / Subaru BRZ Quick View
GSC

GSC P-D Polished Exhaust Valve - 29mm Head (STD) - (SET 8) 2013 Scion FR-S / Subaru BRZ

$199.92
2121-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
GSC Power-Division Super Alloy Exhaust Valves for FA20 FRS/BRZ For those running high horsepower, high EGT set ups that need a valve that will...
Manley Performance Beehive Valve Spring and Retainer Kit - Subaru STi 2004-2021 / WRX 2002-2014 (+Multiple Fitments) Manley Performance Beehive Valve Spring and Retainer Kit - Subaru STi 2004-2021 / WRX 2002-2014 (+Multiple Fitments) Quick View
Manley Performance

Manley Performance Beehive Valve Spring and Retainer Kit - Subaru STi 2004-2021 / WRX 2002-2014 (+Multiple Fitments)

$465.55
26185
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valve Springs & Retainers Valvetrain Components
The Manley Performance Valve Spring and Retainer Kit has been designed to accommodate high-lift cams, and to allow users to surpass OEM rev limitations...
Manley Beehive Valve Spring & Titanium Retainer Set - Subaru WRX 2002-2014 / STi 2004-2020 / Legacy GT 2005-2012 / FXT 2004-2013 Manley Beehive Valve Spring & Titanium Retainer Set - Subaru WRX 2002-2014 / STi 2004-2020 / Legacy GT 2005-2012 / FXT 2004-2013 Quick View
Manley Performance

Manley Beehive Valve Spring & Titanium Retainer Set - Subaru WRX 2002-2014 / STi 2004-2020 / Legacy GT 2005-2012 / FXT 2004-2013

$294.91
26180
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valve Springs & Retainers Valvetrain Components
The Manley upgraded valve spring and titanium retainer set is a great choice for Subaru EJ20 / EJ25 engines with upgraded camshafts that require...
GSC P-D Single Valve Spring & Titanium Retainer Kit - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016 / Toyota 86 2017-2020 Quick View
GSC

GSC P-D Single Valve Spring & Titanium Retainer Kit - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016 / Toyota 86 2017-2020

$288.68
5756
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
GSC5756 Cylindrical Valve Spring Kit with Ti Retainer for the Subaru FA20 Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open Pressure,...
GSC P-D Single Beehive Valve Spring & Titanium Retainer Kit - Subaru WRX 2015-2020 / Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 / Toyota 86 2017-2020 Quick View
GSC

GSC P-D Single Beehive Valve Spring & Titanium Retainer Kit - Subaru WRX 2015-2020 / Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 / Toyota 86 2017-2020

$432.58
5056
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valve Springs & Retainers Valvetrain Components
GSC5056 Beehive Valve Spring Kit with Ti Retainer for Subaru FA20 Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open Pressure, 11.0mm...
Manley Performance Race Flo Stainless Steel Intake Valves - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments) Quick View
Manley Performance

Manley Performance Race Flo Stainless Steel Intake Valves - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments)

$216.96
11138-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valves Valvetrain Components
Manley Performance Sport Compact stainless steel valves utilize our exceptional "Race Series" alloy and are manufactured to the highest quality standards. Manley valves are...
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Manley Performance Race Master Stainless Steel Exhaust Valves - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments) Quick View
Manley Performance

Manley Performance Race Master Stainless Steel Exhaust Valves - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments)

$216.96
11155-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valves Valvetrain Components
Manley’s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice...
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Manley Performance Extreme Duty Stainless Steel Exhaust Valves - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments) Quick View
Manley Performance

Manley Performance Extreme Duty Stainless Steel Exhaust Valves - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments)

$571.76
11137-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valves Valvetrain Components
Manley Performance Sport Compact stainless steel valves utilize our exceptional "Race Series" alloy and are manufactured to the highest quality standards. Manley valves are...
Select options
Select options
GSC P-D Chrome Polished Intake Valves 37mm Head (+1mm) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) Quick View
GSC

GSC P-D Chrome Polished Intake Valves 37mm Head (+1mm) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments)

$121.36
2014-8
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 P-D Chrome Polished Super Alloy Exhaust Valve 32mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) GSC P-D Chrome Polished Super Alloy Exhaust Valve 32mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) Quick View
GSC

GSC P-D Chrome Polished Super Alloy Exhaust Valve 32mm Head (STD) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments)

$199.92
2015-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
Stem Diameter (mm) Overall Length (mm) Head Diameter (mm) 6.0 104.65 32.00   GSC Power-Division Super Alloy Exhaust Valves for EJ20/25 Turbo are for...
GSC P-D Chrome Polished Exhaust Valves 33mm Head (+1mm) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) GSC P-D Chrome Polished Exhaust Valves 33mm Head (+1mm) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments) Quick View
GSC

GSC P-D Chrome Polished Exhaust Valves 33mm Head (+1mm) - Subaru WRX 2002-2014 / STi 2004-2020 (Set of 8; +Multiple Subaru Fitments)

$120.32
2013-8
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 Manganese Bronze Intake Valve Guides - Subaru WRX 2015-2020 / Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 (Set of 8) Quick View
GSC

GSC Manganese Bronze Intake Valve Guides - Subaru WRX 2015-2020 / Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 (Set of 8)

$41.45
3064-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
GSC Power-Division Intake Valve Guide for FA20 (WRX/BRZ/FR-S/86) Standard sized sold as set of 8 Oversized sold individually as +0.001" and +0.003"  GSC3064 Standard...
GSC Manganese Bronze Exhaust Valve Guides - Subaru WRX 2015-2020 / Scion FR-S 2013-2016 / Subaru 2013-2020 (Set of 8) Quick View
GSC

GSC Manganese Bronze Exhaust Valve Guides - Subaru WRX 2015-2020 / Scion FR-S 2013-2016 / Subaru 2013-2020 (Set of 8)

$41.45
3063-8
All Best selling products Commerceinstruments Best Selling Products Engine Build Components New products Valvetrain Components
GSC Power-Division Exhaust Valve Guide for FA20 (WRX/BRZ/FR-S/86) Standard sized sold as set of 8 Oversized sold individually as +0.001" and +0.003"  GSC3063 Standard...
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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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