SpeedFactory Racing

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

The past decade has set an industry standard for running level 2.9 and 3.9 high-performance axles in FWD and AWD converted street cars. It is not u...

Description For people who care about the details – upgrade to our all-new SpeedFactory Racing Titanium Oil Pan Hardware Kits! As with all SpeedFac...

Commonly known performance issues with OEM Honda/Acura distributor igniters at higher power levels cause many people to convert to more reliabl...

The SpeedFactory Racing Badge Hoodie in black camo! An 80/20 soft cotton-blend means warmth and comfort in a casual hooded pullover built for vers...

All new SpeedFactory "Build Tune Race Win" Tees are here! These are premium quality 100% cotton pre-shrunk multi-color shirts with the highest qua...

Whether tethering your identification card, keeping a USB device on you, or just keeping track of your keys - you can do it in style with one of ou...

Whether tethering your identification card, keeping a USB device on you, or just keeping track of your keys -  you can do it in style with one of ...

Complete your cooling system plumbing confidently with our high-quality double swivel -16AN black anodized hose end fittings that offer trouble-fr...

Complete your cooling system plumbing confidently with our high-quality radiator hose and fitting kits that offer trouble-free installation and the...

Complete your cooling system plumbing confidently with our high-quality radiator hose and fitting kits that offer trouble-free installation and the...

This is NOT just another piston labeled “Outlaw” with a couple of upgraded features. These were actually developed in our  B-Series Outlaw car and ...

This kit contains (12) M10 x 1.25mm x 54mm titanium studs, nuts, and washers. These SpeedFactory titanium studs are made of Ti 6Al-4V and incorpora...

The SpeedFactory Racing Badge Hoodies are here! These are high quality 100% cotton pre-shrunk hoodies with the best quality printing. These hoodie...

The SpeedFactory 3-Filter Oil Catch Can is specifically designed for forced induction and heavily modified naturally aspirated engines.  This inte...

The SpeedFactory Black Edition 3-Filter Oil Catch Can is specifically designed for forced induction and heavily modified naturally aspirated engin...

We are proud to introduce the SpeedFactory Racing 3" Stainless Steel Mandrel Bent Exhaust Piping Kit!  A simple and affordable high-performance ex...

The SpeedFactory Racing 3-Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulse-width modulation) signal from a source (E...

Our SpeedFactory 4 Bar MAP sensors use state of the art bipolar op amp circuitry with thin film resistor networks built into each micro chip. Press...

Our SpeedFactory 4 Bar MAP sensors use state of the art bipolar op amp circuitry with thin film resistor networks built into each micro chip. Press...

SpeedFactory 4 Bar MAP (Manifold Absolute Pressure) sensors use state of the art bipolar op amp circuitry with thin film resistor networks built in...

Speedfactory 4 Bar MAP Sensor - 06-09 Honda S2000, R18, 2012 + Civic Si, 2013 + ILX, 09-10 TSX and CRZ  SpeedFactory 2.5, 3, 4 & 7 Bar MAP (Man...

The SpeedFactory Racing 4-Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulse-width modulation) signal from a source (E...

Often thought of as the poor cousin to the B series, the D series can pack some surprising punch with a turbo strapped on. Furthermore, with the YC...

Introducing SpeedFactory Racing’s precision cast 70mm Throttle Body for Honda B, D, F, and H series - bolt-on increased airflow, throttle response...

The SpeedFactory Racing 70mm Thermal Throttle Body Gasket is designed to be used with all common aftermarket cast 68-70mm throttle bodies. Are you...

SpeedFactory Air-to-Air Intercooler Cores feature bar and plate core construction with a very specific staggered fin combination that is engineered...

SpeedFactory B series piston rings - 81.5mm bore - sold as sets of 4.Single cylinder - 1.0" x 1.2" x 2.8" high performance gas nitrided.

The SpeedFactory Racing AWD B-Series Billet Bellhousing was originally designed in response to the need for a top-level billet bellhousing that is...

The SpeedFactory Racing AWD B-Series Billet Transfer Case is your ultimate choice - precise, accurate, & pain-free to build unlike others. Prov...

For people who care about the details – upgrade to our all-new SpeedFactory Racing Titanium Oil Pan Stud Kits! As with all SpeedFactory Racing tit...

We all pour huge amounts of time and effort into building our cars. Setting the base timing ACCURATELY and to PRECISELY THE SAME VALUE when swappin...

The SpeedFactory Billet B-Series VTEC Solenoid Block Off Plate is for use in applications where VTEC is inactive, such as standard 3-lobe cams lock...

The SpeedFactory Billet B-Series Breather Port Plug was designed specifically for use on Honda/Acura B-Series engines to block off the OEM "black ...

Are you monitoring crankcase pressure levels on your race car? If not you should be! Monitoring your crankcase pressure levels gives you valuable ...

If you have our Lightweight Rear Staging Brake Kit with our V1 caliper adaptor brackets, our V2 updated Billet Brake Caliper Adaptor Bracket is a...

Sold Individually Whether you're tired of your leaky and weak OEM plastic cam seals or have aftermarket seals that fit loosely and slide back and f...

This cap delete is CNC machined from billet aluminium, and comes in a high quality black anodized finish.  This is designed to fit perfectly on OEM...

Gain improved functionality, aesthetics, and weight savings! These are a great upgrade for AWD as well as FWD setups, they look great and weigh hal...

Upgrade your engine bay with a new SpeedFactory Billet Oil Cap, featuring a cohesive design that matches the rest of our product line! The Divided ...

SpeedFactory Chevrolet/GM LSX Titanium Exhaust Manifold Stud Kit (12 pcs.)These SpeedFactory Titanium Exhaust Manifold Studs are made of Ti 6Al-4V ...

Commonly known performance issues with OEM Honda/Acura distributor igniters at higher power levels cause many people to convert to more reliable CO...

This is a complete kit that will come with all the parts needed to assemble your complete cooling system.  The fittings and hose will need to be ...

SpeedFactory Complete Tucked Radiator Kit - B Series The SpeedFactory Racing Aluminium Tucked Radiator is a must-have when trying to utilize precio...

The SpeedFactory Racing Aluminium Tucked Radiator is a must have when trying to utilize precious engine bay space. It is not only more efficient t...

The SpeedFactory Racing Aluminium Tucked Radiator is a must-have when trying to utilize precious engine bay space. It is not only more efficient t...

The Ultimate D-Series Camshaft Is Here! We are proud to release the ideal camshaft for all you street/strip turbo D16 owners out there, the Spee...

SpeedFactory Racing Distributor Conversion Harnesses were developed to save you time and also to help eliminate the many common problems associate...