In stock / Special Order Sale

From the factory, you can expect your Mercedes-Benz M157 / M278 / M133 engine to produce a high level of boost pressure (27.5psi as tested). This i...

Solving The VR38’s Deficiency As we’ve push the limits of Nissan’s VR38 V-6 twin turbo engine we’ve been able to uncover some of its weak points. A...

Introducing the Alpha Performance Porsche 991.1 Intercooler SystemWe developed the Alpha Performance Porsche 991.1 Intercooler System to provide yo...

Introducing the Alpha Performance Porsche 991.2 Carrera Intercooler SystemAMS developed the Alpha Performance Porsche 991.2 Intercooler System to p...

Alpha Performance Porsche 997.1TT Intercooler System   We developed the Alpha Performance Porsche 997.1TT Intercooler System to provide you the bes...

Alpha Performance Porsche 997.2TT Intercooler System   We developed the Alpha Performance Porsche 997.2 Turbo Intercooler System to provide you the...

The Alpha MAP Sensor is a solid, plug and play solution for precise boost control over 24 psi. Following the success of the Alpha MAF Sensor Upgr...

The Alpha Performance GT-R Air/Oil Separator is designed to remove oil vapor from your VR38’s crankcase before it ends up in your intake tubes and ...

The Alpha Series Camshafts for the VR38 are simply the best all-around solution for anyone with an upgraded turbo.  After extensive testing, AMS of...

The Alpha R35 GT-R Carbon Ceramic Brake Package shaves 62lbs of rotating mass, improves the braking capabilities and RETAINS the parking brake fun...

The Alpha Nissan R35 GT-R Coolant Expansion Tank is a simple bolt-on upgrade designed to enhance the overall appearance of your engine bay. The A...

We are exposed to many GT-R’s here at AMS and have found a problem on a number of customers cars: moisture and/or standing water in the passenger...

The Alpha Performance R35 GT-R Cast Aluminum Intake Manifold Plenums have been painstakingly designed by AMS to be the most efficient and powe...

When it comes time to building your engine why not fortify it with the best parts available?  The Alpha Main Studs are capable of achieving 50% h...

The Solution For Replacing The Costly Factory Oil CoolerThe stock R35 GT-R oil cooler (p/n 21305-JF02B) retails at an astonishing $8948.23!  When w...

The Alpha R35 GTR Race Style SS Brake Lines -stainless steel braid to improve pedal feel and reduce the amount of time between applied pedal pres...

Introducing the Alpha Performance R35 GT-R Race X Billet Flywheel. It features a billet one piece design and first of its kind integrated flywhee...

Our Alpha R35 GT-R Carbon Fiber Cold Air Intake was designed to draw a higher volume of cool air into the stock turbochargers while improving the m...

After extensive development and testing Alpha Performance is proud to announce the release of our R35 GTR Race X Solid Engine Mount System! Solid m...

Benefits Engineered to be the best 24.7% increase in cross sectional area at the Downpipe inlet, the largest on the market Inlet flanges designed ...

Benefits Complete bolt on No cutting or trimming Uses factory mounting location Outlet connects to both the factory silicone, as well as the AMS ...

This is a “must-do” modification for every MKV Supra! The AMS MKV Supra Anti-Wind Buffeting Kit is engineered to eliminate the extreme wind buffeti...

The INFINITI Q50/Q60 Red Alpha Cold Air Intake Kit is simply the best engineered, best performing, cold air intake system available for your INFI...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the INFINITI Q50/Q60 Red Alpha Heat Exchanger wi...

The AMS 5-Speed Under Hood Shifter Bushings are designed specifically for the five speed equipped EVO VIII & IX. Made from high quality aluminu...

The AMS EVO IV/V/VI/VII/VIII/IX Shifter Base Bushings will greatly improve shift quality and accuracy.  Made from high quality 6061 aluminum, these...

AMS Mitsubishi Lancer Evo X Upgraded Front Mount IntercoolerThe AMS Mitsubishi Lancer Evo X Front Mount Intercooler is a direct bolt on utilizing y...

The AMS EVO X MR/Ralliart SST Transmission oil cooler kit is the first of its kind for the SST transmission. Many SST owners know all too well the ...

The AMS EVO X Shifter Base Bushings will greatly improve shift quality and accuracy.  Made from high quality 6061 aluminum, these CNC precision mac...

AMS announces stainless steel brake lines for the Evo X. AMS stainless steel brake lines improve pedal feel, reduce the amount of time between appl...

The AMS EVO X / Ralliart Fuel Pressure Regulator Kit is designed for anyone running an upgraded fuel pump and or fuel injectors. Whether you are ru...

For extremely high-powered GT-Rs, provisions are available on the manifold and an additional Alpha fuel rail can be installed which will supply en...

Our AMS Performance VW Golf R MKVII Carbon Fiber Cold Air Intake Upgrade was designed to draw a higher volume of cold air into the stock turbocharg...

The AMS VW Golf R MK7 Front Mount Intercooler! Our intercooler upgrade kit is a direct bolt on utilizing your stock mounting points with purpose bu...

The AMS Mitsubishi Evolution IV/V/VI/VII/VIII/IX/X Carbon Fiber Shift Knob was designed to extend the length of the shifter which aids in shifting ...

Benefits: Easy to install This kit removes the guesswork that was necessary to install the low pressure pump Anodized billet aluminum brackets No...

Lightweight and aesthetically appealing, the AMS Performance Toyota GR Supra Carbon Fiber Engine Cover is engineered to give your B58 engine a high...

Exclusive Benefits Significantly Lower Back Pressure Means the Potential for More Power Exhaust Gas Can More Easily Flow Across the Turbine Wheel ...

Our Q60 and Q50 VR30 Red Alpha Expansion Tank holds 70% more volume than stock heat exchanger tank, and 28% more than the radiator coolant tank. Ou...

Introducing the Red Alpha VR30 RA338 High Pressure Fuel Pump Kit. It’s simple, if you want to make more power you are going to need more fuel. This...

The AMS Remote Oil Pressure Sending Unit Line allows you to safely mount your aftermarket oil pressure sending unit away from vibration.  Tradition...

Set of piston rings for the Arias B Series 81.5mm pistons - 3310404

ARIAS PISTONS has been the leader in compact piston technology since our beginnings. While piston suppliers at that time focused mostly on larger-...

As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ...

These extra-long ARP wheel studs are designed for today's thick-centered, high-performance and racing wheels. These chromoly steel studs are heat-t...

ARP Flywheel Bolt Kit - D/B/H Series Flywheel and flexplate bolts play an important role in the performance and safety of both street and race cars...

ARP Flywheel Bolt Kit - Honda K SeriesFlywheel and flexplate bolts play an important role in the performance and safety of both street and race car...

Flywheel and flexplate bolts play an important role in the performance and safety of both street and race cars, which is why the fastener experts ...