GSC Intake Valve Guides Stopper Style - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Fitments)
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
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
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...
Fluidampr Harmonic Crank Damper Subaru WRX 2002-2014 / STI 2004-2020
531101
All
Belts & Pulleys
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
THIS ITEM IS FREQUENTLY OUT OF STOCK. CONTACT FOR AVAILABILITY! Fluidampr Engine Dampers are designed to control destructive vibrations which are transferred thru the crankshaft....
Brian Crower Stage 2 Camshafts - Subaru WRX / STI 2002-2007
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 Subaru WRX EJ20 & EJ25 Block Bolts
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
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
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...
ACL 2ZZGE 1796cc Standard Size High Performanc Rod Bearing Set - Toyota Corolla 2000+
ACL4B1856H-STD
All
Bearings
Best selling products
Commerceinstruments Best Selling Products
Engine Bearings
Engine Build Components
Engine Components
Main Bearings
New products
Features: High performance Trimetal engine bearings Designed to withstand higher RPM conditions High strength overlay plate with reduced thickness for improved fatigue properties 5M1857H-STD...
ACL 2.0L / 2.3L DOHC Duratec Standard Size High Performance Main Bearing Set - Ford Focus 2000-2004 (+Multiple Applications)
ACL5M8174A-STD
All
Bearings
Best selling products
Commerceinstruments Best Selling Products
Engine Bearings
Engine Build Components
Engine Components
New products
The introduction of Aluglide bearings is another example of ACL’s commitment to understanding and adapting to customer requirements. This is currently the choice of...
ETS Intercooler Mounting Hardware - Mitsubishi Evo 8/9 2003-2006
100-20-IC-HW
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
This is for the complete mounting hardware for the Evo 8/9 Intercoolers. It works with the Cusco, Standard Tank and Wide Tank models. Includes:...
ETS Piston and Rod Combo - Lamborghini Huracan 2014+ / Audi R8 2017+
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pistons / Rings
The ETS Lamborghini Huracan/Audi R8 Piston and Rod Combo is designed to be used with a factory block without sleeves. This combo is capable...
ETS CNC Ported Cylinder Heads - Nissan GTR 2009+
All
Best selling products
Commerceinstruments Best Selling Products
Cylinder Heads
Engine Build Components
New products
Features: 40 - 60 Horsepower Increase. Fully CNC ported and hand smoothed. Wire EDM performed to ensure maximum reliablity and wall thickness. Flow benched...
ETS Piston and Rod Combo - Chevy Corvette 2020+ (C8)
1050-10-ENG-001
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pistons / Rings
Turbo Kits
We have pistons and rods in stock and ready to ship! The ETS C8 Piston and Rod Combo is designed to be used as...
Torque Solution Coil Pack Adapter: Audi / VW 2.7t ALL
TQSTS-VW-017
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
Torque Solution Coil Pack Adapter: Audi / VW 2.7t ALLThis Part Fits: Year Make Model Submodel 2000-2004 Audi A6 Quattro Base 2001-2005 Audi Allroad...
Torque Solution Subaru EJ20/EJ25 R35 GTR Coil On Plug Adapter Kit - Coils Included
TQSTS-SU-636-K
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
Torque Solution Subaru EJ20/EJ25 R35 GTR Coil On Plug Adapter Kit - Coils Included
Torque Solution Subaru EJ20/EJ25 R35 GTR Coil On Plug Adapter Kit - Coils Not Included
TQSTS-SU-636
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
Torque Solution Subaru EJ20/EJ25 R35 GTR Coil On Plug Adapter Kit
Killer B Fumoto Valve 1/2NPT
KLBT202N
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Killer B
New products
Valvetrain Components
Killer B Fumoto Valve 1/2NPT
Killer B Fumoto Quick Change Valve 16mm-1.5
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...
ISR Performance Upgraded Solid Billet Engine Mount Bushing (For EMK-Z33 / Z34 & Swap Mounts)
ISRIS-SEMB
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
ISR Performance Upgraded Solid Billet Engine Mount Bushing (For EMK-Z33 / Z34 & Swap Mounts)
COBB Front Mount Intercooler Hardware Kit (Hardware only) - Mazdaspeed3 Gen1 2007-2009
COBB771602-HW
All
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
Engine Hardware & Accessories
New products
COBB Tuning's replacement hardware kit for your Front Mount Intercooler. WHY? Has your hardware for your Front Mount Intercooler gone missing? COBB Tuning is...
Cobb Lightweight Main Pulley (Black) - Subaru WRX 2002-2014 / STi 2004-2021 (+Multiple Fitments)
COBB300102-BK
All
Belts & Pulleys
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pulleys
The pulley comes specifically maintaining the stock diameter so as to not under drive and cause electrical woes for the owner, as well as...
Cobb Main Pulley / Oil Cap / Battery Tie Down Package (Teal) - Subaru WRX / STi 2002-2014 (+Multiple Fitments)
COBBSUB00003AQ
All
Belts & Pulleys
Best selling products
Commerceinstruments Best Selling Products
Engine Build Components
New products
Pulleys
Quantities EXTREMELY LIMITED! We have taken our engine dress up packages up a notch! This package includes the COBB Lightweight Main Pulley, Battery Tie...
Kelford Cams 280/286 Degree Camshafts (264-B) - Subaru WRX 2015-2021
264-B
All
Best selling products
Camshafts & Gears
Commerceinstruments Best Selling Products
Engine Build Components
New products
Kelford Cams 280°/286° camshafts for the 2015-21 Subaru WRX FA20 DIT are designed for High power, High RPM Drag racing. Kelford requires the Kelford...
Kelford Cams 262/264 Degree Camshafts (264-EZ) - Subaru WRX 2015-2021
264-EZ
All
Best selling products
Camshafts & Gears
Commerceinstruments Best Selling Products
Engine Build Components
New products
The Kelford 264-EZ camshafts for the 2015-21 Subaru WRX FA20 DIT are drop-in cams to suit factory valve springs. They are a good upgrade...
GSC P-D Polished Exhaust Valve - 29mm Head (STD) - (SET 8) 2013 Scion FR-S / Subaru BRZ
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...
GSC Single Valve Spring & Ti Retainer Kit - Subaru WRX / STI 2002-2020 (EJ Turbo Models)
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...
Manley Performance Beehive Valve Spring and Retainer Kit - Subaru STi 2004-2021 / WRX 2002-2014 (+Multiple Fitments)
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
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
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,...
