04-08 Forester XT
Click here to download installation instructions 20-0208-02 Mounting Compatibility 02-07 Impreza WRX02-07 Impreza WRX STi04-08 Forester...
Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than...
Introducing BoostLine Connecting Rods by Wiseco Performance Products! Our engineering team created this new, patent-pending...
This crankshaft from Subaru is their latest and greatest factory EJ crankshaft. The crank is...
For those of you who sent a piston through the hood of your vehicle, don't...
This is the same oil pump that came stock on the 2008 STI. This will...
High-powered modified Subaru engines tend to generate excessive blow-by oil and gasses. In these cases,...
Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure...
Manley steel H-beam connecting rods are made from forged 4340 steel alloy. They're packed full...
Manley Pro Series I-Beam Turbo Tuff connecting rods are assembled from high-quality 4340 forged steel....
"Race Series" cranks are now available for Mitsubishi 4G63/4G64; along with our fully machined "Turbo...
Manley valves have set the standard for excellence in quality, material and design in the...
Manley valves have set the standard for excellence in quality, material and design in the...
Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust...
What makes King Engine Bearings track tough and street smart?Our HP and XP lines are...
King conducted extensive research into the unique oiling circumstances of the Subaru EJ series engines....
K1 Technologies H-beam billet connecting rods offer energy transfer technology at its best! Manufactured from...
The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the...
Adding an aftermarket Up Pipe is one of the first things you should do to...
An amazing 7 LAYERS! GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed™...
Adding an aftermarket Up Pipe is one of the first things you should do to...
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
Adding an aftermarket Up Pipe is one of the first things you should do to...
Adding an aftermarket Up Pipe is one of the first things you should do to...
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
The internal wastegate(IWG) bracket is used in place of the stock wastegate actuator when moving...
7 STAINLESS STEEL LAYERS GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At...
We knew when it came time to design this product we didn't want to just...
We knew when it came time to design this product we didn't want to just...
Is your old 90 degree TMIC coupler all chewed up from years of use? Is...
Is your old 90 degree TMIC coupler all chewed up from years of use? Is...
A high-quality y-pipe solution for all. Just bought an aftermarket or STI TMIC that requires...
A high-quality y-pipe solution for all. Just bought an aftermarket or STI TMIC that requires...
Not much to say here. Just a set of GrimmSpeed™ TGV to engine gaskets. get...
Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't...
Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't...
GrimmSpeed® brings you another innovative product, a first of its kind "Cool Touch" Delrin® Oil...
n our opinion, the OEM Subaru crank pulley has been a cause for concern ever...
n our opinion, the OEM Subaru crank pulley has been a cause for concern ever...
n our opinion, the OEM Subaru crank pulley has been a cause for concern ever...
GrimmSpeed™ does it again! Introducting our enlarged bore Intake Manifold to TGV gaskets. Why do...
Tired of that ugly OEM hood prop blocking your view of that beautiful boxer engine?...