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SUBARU WRX & STi - VALVETRAIN
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GSC BEEHIVE SPRINGS & TITANIUM RETAINERS
GSC beehive springs use an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. The GSC spring has the highest level of spring load retention while still maintaining good fatigue threw out the life of the spring. Each batch is scrutinized for tensile strength properties, ductility, inclusion content, and fatigue toughness.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
GSC5043 |
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GSC SINGLE SPRINGS & TITANIUM RETAINERS
These Springs are the same quality and consistency as GSC's popular Beehive Spring Kit. The nano-peened AS50 round wire will perform with a RPM limit of 8200 and boost levels up to 32PSI on S1 or S2 profile cams. Strict quality control on the springs and the CNC machined Titanium retainers give you peace of mind that your valvetrain is always under control.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
GSC5743 |
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GSC POWER DIVISION VITON VALVE STEM SEALS
GSC Power-Division Viton Valve Stem Seals for the Subaru EJ257, EJ207, and EJ205 6mm seal set (includes 8 intake and 8 Exhaust). These are an upgrade from the standard OEM material to help cope with the higher heat caused increasing the performance of your engine.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
1022 |
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GSC POWER-DIVISION SPRING SEATS
The GSC Power-Division Spring Seats are an OEM replacement stamped spring seat, useable with GSC Power-Division 5043 or 5743 upgraded valve spring kits or stock springs as an alternative to expensive dealership parts. Sold as a set of 16.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
1005 |
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GSC POWER DIVISION STAINLESS STEEL VALVES
GSC Power-Division Stainless Steel Exhaust Valves and Intake Valves.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
GSC2011,GSC2012,GSC2013,GSC2014 |
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GSC POWER DIVISION SUPER ALLOY EXHAUST VALVES
For high HP and high EGT set ups that need a valve that will last in 2000°F conditions. Strength, heat resistance and performance are engineered into every valve.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
GSC2015,GSC2017 |
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SUPERTECH EJ20 & EJ25 BLACK NITRIDE INTAKE VALVES
Supertech valves are made from one piece of forged stainless steel and go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. The "Black Nitride" is a hardening treatment that is applied to the whole valve while the chrome coating is only applied to the stem. Sold as a set of 8 valves.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
SIVN-1010,SIVN-1012,SIVN-1012/2,SIVN-1014,SIVN-1014/2 |
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SUPERTECH EJ20 & EJ25 BLACK NITRIDE EXHAUST VALVES
Supertech valves are made from one piece of forged stainless steel and go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. The "Black Nitride" is a hardening treatment that is applied to the whole valve while the chrome coating is only applied to the stem. Sold as a set of 8 valves.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
SEVN-1010,SEVN-1012,SEVN-1012/2,SEVN-1014/2 |
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SUPERTECH EJ20 & EJ25 INCONEL EXHAUST VALVES
Supertech valves are made from one piece of forged stainless steel and go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. The Inconel 751 Nickel Base Alloy material is used for exhaust valves in engines that reach very high temperatures. Sold as a set of 8 valves.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
SEVI-1010,SEVI-1012/2,SEVI-1014,SEVI-1014/2 |
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SUPERTECH EJ20 & EJ25 SODIUM FILLED INCONEL EXHAUST VALVES
The Supertech Sodium Filled Inconel Valves, are designed to withstand even higher temperatures. As the sodium becomes liquid it will transfer the heat from the head of the valve to the guide and cylinder. This in turn keeps the valve cooler, and lessens the risk of warping. Sold as a set of 8 valves.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
SEVI-1010-HS,SEVI-1014-HS |
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GSC POWER-DIVISION MANGANESE BRONZE VALVE GUIDES
GSC has quite simply made a series of valve guides that fit properly, are easier to install, and shaped to help air flow instead of just copying the OEM design. Made from true C67410 Manganese Bronze and turned on a dedicated precision CNC turning center. Available in the smooth/traditional style or with stopper. Set of 8 guides.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
GSC3025,GSC3027,GSC3026,GSC3028 |
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SUBARU WRX & STi - CAMSHAFTS
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GSC BILLET S1 CAMSHAFTS (SUBARU EJ255/7 WITH INTAKE AVCS)
These will not drop any low end power, and will creating more power and torque across the entire rpm range. Good for stock frame upgraded turbos or up to 500WHP upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.
Subaru EJ255/7 USDM STi & WRX with Intake only AVCS.
GSC7025S1 |
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GSC BILLET S2 CAMSHAFTS (2008+ EJ255 WITH DUAL AVCS)
These cams are built to suit the higher horsepower Subys. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.
2008+ Subaru STi EJ257 with Dual AVCS.
GSC7026S2 |
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ROYAL PURPLE MAX TUFF ASSEMBLY LUBRICANT
Royal Purple Max-Tuff Synthetic Assembly Lubricant is an ultra-tough, synthetic lubricant designed for engine builds and repairs, specifically crankshaft, camshaft and rod bearing assembly. Max-Tuff utilizes unique, synthetic molecules that adhere to metal surfaces to create a formidable, load-bearing physical barrier between surfaces.
2oz or 8oz Tube.
10553,01335 |
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SUBARU WRX & STi - BOLTS & FASTENERS
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ARP HEAD STUDS EJ20 & EJ25
Premium quality heat-treated 8740 chrome moly steel head studs. You won't find a better quality stud on the market from any other source.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
260-4701 |
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ARP "L19" HEAD STUDS
ARP's L19 material (comparable to A1 Technologies H11 Tool Steel) is a premium steel that is processed to deliver superior strength and fatigue properties. L19 is a very high strength material compared with 8740 (standard ARP headstuds) and is capable of delivering a clamp load at 260,000 psi.
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
ARP-L19-WRX |
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ARP CUSTOM AGE 625+ HEAD STUDS
All Custom Age 625+® studs are centerless ground, heat treated prior to thread rolling and machining, and are nominally rated at 270,000 psi. These fasteners deliver a 55% increase in tensile strength and are reusable as compared to the OEM Torque to Yield (TTY) head bolts. Subaru (EJ Series Motor)
2002-2014 Subaru WRX.
2004-2015 Subaru STi.
260-4704 |
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ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT
ARP Ultra-Torque Fastener Assembly Lubricant gets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors.
.5oz, 1.69oz, 10oz and 20oz packaging.
100-9908, 100-9909, 100-9910, 100-9911 |
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SUBARU WRX & STi - HEAD & VALVE COVER
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TORQUE SOLUTION AIR PUMP DELETE PLATE SET
The Torque Solution Subaru WRX/STi Air Pump Delete Plate Set is used to delete the air pump, blocking the system off at the heads. The air pump system is an emissions required and should only be deleted for track-only race cars. 2006+ Subaru's come factory equipped with the air system. Includes two, solid, billet aluminum plates, anodized and laser engraved "Torque Solution" with stainless bolts.
2006-2016 Subaru STi.
2006-2014 Subaru WRX.
TS-SU-111 |
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TORQUE SOLUTION CAM ANGLE SENSOR MOUNTING BRACKET
This part is used for mounting the cam angle sensor to the front of Non-North American Spec STi cylinder heads. Perfect for adapting USDM cylinder heads to Japanese and European market engines or adapting STi heads to non AVCS engines.
2002-2005 WRX or any STi to WRX Head Swap.
TS-SU-203 |
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OEM SUBARU EJ25 VALVE COVER GASKET (LEFT)
OEM Subaru Valve Cover Gasket (Left).
2006-2014 Subaru WRX.
2004-2016 Subaru STi.
13272AA140 |
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OEM SUBARU EJ25 VALVE COVER GASKET (RIGHT)
Genuine OEM Subaru Valve Cover Gasket (Right).
2006-2014 Subaru WRX.
2004-2015 Subaru STi.
13270AA190 |
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OEM SUBARU EJ25 SPARK PLUG WELL GASKET
Genuine OEM Subaru Spark Plug Well Gasket.
2006-2014 Subaru WRX.
2004-2015 Subaru STi.
13293AA051 |
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OEM SUBARU CAM SEALS
Genuine OEM Subaru Cam Seals.
NON-AVCS: Will need four 32mm seals.
AVCS: Will need two 32mm and two 42mm seals.
2006-2014 Subaru WRX.
2004-2015 Subaru STi.
806732160,806742160 |
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GRIMMSPEED ANODIZED ALUMINUM OIL CAP
The GrimmSpeed Anodized Aluminum Oil Cap has a factory-fit and allows room for intercooler piping or any hoses/cables. They also added a little caution in there for when things get HOT! Available in 4 anodized colors to complement your engine bay!
Subaru WRX & STi Models.
120003 |
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GRIMMSPEED DELRIN COOL TOUCH OIL CAP
The GrimmSpeed "Cool Touch" Delrin® Oil Cap is a first of its kind, innovative product! No more burning an imprint of your oil cap onto your hand!
Subaru WRX & STi Models.
120006BK_D |
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SUBARU PARTS
Take a look here to see even more OEM parts. If you can't find what you need, just give us a call anytime, and we can track down it for you!
2002-2014 Subaru WRX & STi.
SUBARU |
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