Best Selling

STREET/TRACK APPLICATIONS (OCCASIONAL TRACK USE – CIRCUIT / TIME ATTACK / ROAD RACING) The Super Copper Kit brings a new level of performance to t...

Koyorad is proud to introduce an all-aluminum performance radiator for the 2013-2018 Ford Focus ST.  This radiator features Koyorad's NFLO triple p...

These high strength forged rear arms are perfect for tunersor installers that need extended camber ranges on these popular platforms. Complete with...

Action Clutch Stage 1 (1OS) Kits have been designed for vehicles ranging from stock to basic bolt-on cars. It utilizes a reinforced Steel Backed Co...

Action Clutch Stage 1 (1OS) Kits have been designed for vehicles ranging from stock to basic bolt-on cars. It utilizes a reinforced Steel Backed Co...

Aggressive engagement, quick shifts, mild to moderate gear rattle; Premium ceramic friction materials provide moderate wear rates and high heat tol...

ZX4-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp...

Action Clutch Chromoly Lightweight Flywheels are the perfect upgrade for light to high tuned street and race vehicles. Our Chromoly Lightweight Fly...

Unlock the full potential of your Engine build with our upgraded head stud options. If you're building an engine for high horsepower, these head st...

ZX5-XTSS kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme pressure plates use exclusive diaphragm design to increase...

Eibach Front Adjustable Anti-Roll End Link Kit 14-19 Ford Focus STThis Part Fits: Year Make Model Submodel 2014-2018 Ford Focus ST

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensur...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE! GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and op...

whether it be in overall balance, critical clearances or improved design, our flywheels are built for performance. Machined from the highest qualit...

ZX5-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp...

GFB's DV plus design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation met...

MZ031 pressure plate features an exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All ACT diaphragms ...

Koyo 10-14 Mazda Mazda3/Mazdaspeed3 2.3L/2.5L I4 RadiatorThis Part Fits: Year Make Model Submodel 2010-2013 Mazda 3 i 2010-2013 Mazda 3 Mazdas...

The Action Clutch Billet Alignment Tool is specifically designed to bring convenience and reliable accuracy to the installation of single and multi...

Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality, direct fit package. These kits offer monotube performance da...

Eibach Rear 25mm Anti-Roll Kit for 13-18 Ford Focus ST, 2.0L 4cyl TurboThis Part Fits:   Year Make Model Submodel 2013-2018 Ford Focus ST

Action Clutch Stage 1 (1OS) Kits have been designed for vehicles ranging from stock to basic bolt-on cars. It utilizes a reinforced Steel Backed Co...

Action Clutch Chromoly Lightweight Flywheels are the perfect upgrade for light to high tuned street and race vehicles. Our Chromoly Lightweight Fly...

Bluestuff NDX is a high friction sport and race material that can be used for aggressive street driving and certain types of track use. The materia...

Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs ...