SpeedFactory Racing

The SpeedFactory DBD-1000 Dual Backdoor Intercooler is built with a high quality 3.5" thick SpeedFactory Air-to-Air Intercooler Core, featuring ba...

The SpeedFactory DBD-1200 Dual Backdoor Intercooler is built with a high quality 4.5" thick SpeedFactory Air-to-Air Intercooler Core, featuring ba...

The use of an OBD-1 (92-95) ECU is needed for proper tuning of your high-performance engine. The SpeedFactory Racing ECU Conversion Harnesses allow...

TheSpeedFactory Racing 3-Port Boost Control Solenoid Mounting Bracket kit allows you to securely and professionally mount your SpeedFactory Electr...

This Kit was designed for hardcore drag racers running high boost levels that need more clamping force and tensile strength than the typical 8740 ...

NOTE: THESE STUDS WILL NOT FIT THE 6.4 WITH FACTORY EXHAUST MANIFOLDS.This SpeedFactory Titanium Exhaust Manifold Stud Kit contains (16)  M8 x 1.25...

We are proud to introduce the new SpeedFactory Racing B18C H-beam connecting rods! These rods are ideally suited to B-Series engine builds to the ...

These rods are ideally suited to B-Series engine builds to the 900+HP range and offer high strength and quality at an affordable price. Our design...

SpeedFactory Racing B18A/B/B20 Forged Steel H-Beam Connecting Rods  We are proud to introduce the new SpeedFactory Racing B18A/B/B20 H-beam connect...

SpeedFactory Forged Steel H-Beam Rods - D16 We are proud to introduce our new SpeedFactory Racing D16 H-beam Connecting Rods! These rods are ideall...

These rods are ideally suited to K20 A/Z engine builds (K20, K20A2, K20Z1, K20Z3) to the 900+HP range and offer high strength and quality at an af...

These rods are ideally suited to K24 engine builds to the 900+HP range and offer high strength and quality at an affordable price. Our design is st...

Proudly introducing the new SpeedFactory Racing JDM D15B SOHC VTEC Vitara Spec No-Notch Connecting Rods! Vitara piston turbo SOHC VTEC builds are ...

SpeedFactory Forged Steel No-Notch Long Rods - D16 Vitara Spec Proudly introducing the new SpeedFactory Racing D16 Vitara Spec No-Notch Long Connec...

SpeedFactory FWD 2 AWD B-Series Gear Conversion Kit The SpeedFactory Racing FWD2AWD B-Series Gear Conversion Kit has been created to provide you w...

READ BELOW TO GET A BETTER UNDERSTANDING OF WHAT HEADGASKET YOU NEED SpeedFactory High Performance MLSS-HP Head Gaskets for Honda/Acura B-Series VT...

Our high-performance radiator cap will not only improve the appearance of your vehicle’s engine bay, but it will also play a vital role in improvi...

Our high performance radiator cap will not only improve the appearance of your vehicle’s engine bay, but it will also play a vital role in improvin...

If you want to reliably transmit power through your Wagovan driveshaft, you need to upgrade to 1310 U-joints. We know it can be very frustrating a...

Whether you have a custom radiator or a SpeedFactory Race/Tucked radiator for your racing application, you need a proper way to fill and bleed air ...

The SpeedFactory HP Supra Intercooler Upgrade is ideal for street and race applications with upgraded turbocharger(s) where space is limited but 85...

The SpeedFactory 1000 HP-rated Vertical Flow Intercooler was designed specifically for Honda / Acura vehicles equipped with K-Series engines. This ...

The SpeedFactory SS-1200 Side Inlet/Outlet Intercooler is built with a high quality 4.5" thick SpeedFactory Air-to-Air Intercooler Core, featuring...

Built specifically for K-Series cars competing in the SFWD / AWD classes, this 1400HP+ rated air-to-air intercooler combines our MASSIVE 6" thick, ...

Honda L15B7 Headstud Kit by MAPerformanceIn our many years of building high horsepower low displacement 4 Cylinders, we have always found that one ...

You asked and we delivered - with performance, sound, and aesthetics in mind we have created the ultimate muffler for you!The SpeedFactory LT-5 (Lo...

SpeedFactory Magnetic Drain Plugs remove metal shavings and fine metal sludge particles from your engine and transmission fluids, preventing these...

Finally, a simple bolt-on solution that will easily allow anyone to run an efficient and cost-effective mechanical fuel pump - easily supplying yo...

1st off, what is the SCHA, and what does it do? The SCHA is located inside the transmission housing and is the internal mechanism that actually mo...

SpeedFactory (SF)-Modified Shift Change Holder Assembly for B-series hydraulic transmissions! 1st off, what is the SCHA, and what does it do? The S...

This option is for you to send in your stock SCHA and have us modify your unit.  We do not supply cores for the rebuilds, we need your complete uni...

SpeedFactory NA Catch Can Kit - B series The SpeedFactory Racing Naturally Aspirated Catch Can is designed to work with any B-Series naturally aspi...

Proudly rep your favorite racing team with one of our brand new SpeedFactory Race Team Edition Embroidered Hats! These all black snapbacks are high...

Upgrade your ugly stock cam mounting bolt to the SpeedFactory Racing Titanium Cam Gear Stud Kit!As with all our titanium products, these feature hi...

Complete your cooling system plumbing confidently with our high-quality single swivel -16AN black anodized straight hose end fittings that offer tr...

Get Reliability and Performance with SpeedFactory Direct-Fit Honda Street Axles Introducing SpeedFactory’s new direct-fit Honda B-Series FWD street...

Get Reliability and Performance with SpeedFactory Direct-Fit Honda Street Axles Introducing SpeedFactory’s new direct-fit Honda K-Swap street axles...

Make things easy on yourself and avoid the frustration of fabricating a mounting solution for your valuable 16V battery - we’ve done the work for y...

An upgraded intercooler is by far the most important and beneficial modification to this car! A single 4th gear dyno pull on a stone cold stock int...

SpeedFactory 3 Bar MAP (Manifold Absolute Pressure) sensors use state of the art bipolar op amp circuitry with thin film resistor networks built in...

SpeedFactory Racing 4140 Head Stud Kit for Honda D-Series (All)We are proud to introduce our new D-Series Head Stud Kit that fits all variants!No m...

SpeedFactory Racing 4140 Head Stud Kit for Honda/Acura B & K Series (B Series VTEC engines - B16A, B18C1, B18C5, B20VTEC, LSVTEC, K20, K24) Th...

SpeedFactory is proud to offer our own line of silicone couplers. Our 4 ply Polyester reinforced silicone couplers have been made to survive seriou...

The SpeedFactory Racing Aluminum Tucked Radiator is a must have when trying to utilize precious engine bay space in your Honda/Acura vehicle. These...

Perfect for those of you running HCP Hub City Performance AWD Rear Trailing Arm Kits that want to minimize the weight gained during the AWD convers...

We are proud to introduce our pain-free installation kit for the MFactory D16 40mm LSD into the Wagovan RT4WD rear ends. This is by far the easiest...

Tired of blowing out the end of your B-AWD outer case and destroying your expensive gear set?The SpeedFactory Racing B-AWD Billet Case Lock is your...

Finally available to the public, this product was made to solve reverse gear location differences with different model year B-Series AWD transmissi...