Trusted Performance Brands On Sale

Speed Science offers a plug-and-play wiring harness for its fuel injectors. Wiring is made simple and installation time is greatly reduced.OBD1 and...

Up to 25% Shorter throw Adjustable knob position (360*) PTFE Main Cups Why We Improve.  The Honda S2000 is one of the most remarkable cars ever pr...

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

High-quality valve stem seals are vital to an engine’s performance and longevity! Our 5.5mm Viton valve stem seals are heat resistant to 400°F and ...

The SpeedFactory Racing LS / VTEC Kit is designed for those adding a VTEC head to an LS(B18A/B) or B20 engine set-up that want the highest quality,...

SpeedFactory High Performance MLSS-HP Head Gaskets for Honda/Acura D-Series VTEC Engines 0.40 - Lower Compression  Fits: Civic / CRX/ Integra with ...

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

If you are looking to add some extra flare to your 2007-2009 Mazdaspeed 3, then look no further than the Mazdaspeed 3 OEM Style Carbon Fiber Spoile...

While the DISI-MZR engine found on the Mazdaspeed 3, 6, & CX-7 is a fun and potent powerplant, it does have some common issues that must be add...

The SpeedFactory Racing Oil Sandwich Plate Assembly Only is ideal for  Honda / Acura engine applications wanting the ultimate solution for adding a...

Honda B Series Engine Charge Harness suited for b-series Alternator and Starter Motors. each cable length is 1.8m

Ground Kit B/D/F/H Series engines We offer a cheap and affordable ground kit that is Essential! to getting your engine running or even need the kit...

Speed Science's Tucked Engine Harness for OBD1 B/D Series Engines!! this Engine harness is OBD1 Engine to OBD1 ECU. All connectors and materials ar...

Speed Science's Budget Tucked Engine Harness for OBD2 B/D Series Engines!! This Engine harness is OBD2 Engine to OBD1 ECU. All connectors and mater...

From our success of the PLM K-Series Sidewinder turbo manifolds, we are pleased to release this Top Mount version that works with both FWD and AWD,...

Available in carbon fibre.Save weight and look good doing it.For EK/EJ 2dr, 3dr and 4dr models. Facelift only.Features: OEM Fitment Uses Factory hi...

5 BOLT T3 T4 GT35 GT35R TURBO GASKET DescriptionThe gasket is graphite carbon coated with aluminium laminate coreThis is made to fit most garret, t...

CONFIRMED: The CorkSport Axle Back Exhaust fits and sounds fantastic on the 2019+ Mazda 3 & CX30 2.0L engines!Mazda made some big improvements ...

Real carbon fibre trunk lip spoiler designed for the 3rd generation 2014 to 2018 Mazda 3 Sedan.

Adjustable Aluminium Spanner Universal (AN-3 to AN-12) AN-3/AN-4/AN-6/AN-8/AN-10/AN-12 Oil Fuel Hose Fitting Made of anodized T6061 aluminium alloy...

 EPMAN is proud to introduce the 70mm Series Throttle Body for Honda D/B/H/F in its fine shot-blasted surface finish.  EPMAN Series Throttle Body i...

EPMAN K-SWAP ALUMINUM BILLET FIREWALL SHIFTER CABLE GROMMET * 100% quality assurance tested, more responsive, less expensive, easier to install. * ...

EPMAN Performance Coil On Plug Plate For Honda B Series VTEC Description: Commonly known performance issues with OEM Honda distributor igniters a...

 Universal Front Bumper Lip Spoiler Splitter Protector Under Panel Diffuser Features:* Made of Updated durable and sturdy ABS plastic, adding stiff...

Honda Distributor Delete Cap For B-Series VTEC Features: Surface Finish is hard anodised black made from  CNC 6061 grade billet  aluminium.   ...

Billet VTEC Solenoid Housing For B Series The black anodized billet VTEC solenoid housing is designed to be used with any B series VTEC cylinder h...

K-Series Billet Timing Chain Tensioner Cover Plate Fit For Honda  K20,K20A,K20Z,K24,K24A EnginesThe tensioner Cover Plate is designed with a simple...

Designed to fit the Honda Chassis with B Series engines Models Include Such as EG/EH/EJ Civic EK/EM Civic DC/DB/DA Integra  EL1/2 Orthia (FWD ON...

The almighty Adjustable Aluminum Wrench! Fits up to from (AN-3 to AN-16)  Needed when you want to get those fittings on nice and tight without stri...

  Oxygen O2 Sensor M18X1.5 Extender Spacer Accessory Length is 41mm longMaterial: made of high quality 304 stainless steel.Specification:* 100% qua...

BLOX Racing performance shift knobs are CNC machined from high-grade steel and custom-weighted to 450 grams. These heavier shift knobs are designed...

The Skunk2 Pro-S II Drag Spec Coilovers is a full suspension kit that uses the same proven monotube construction as our Pro-C / Pro-ST Coilovers b...

Introducing the VOLTAGE Thermal Gloves by SpeedFactory Racing. After experiencing many cold nights at the race track, knit gloves just won't cut it...

Drop weight & look great with our Titanium Front UCA Nut & Washer kit! As with all SpeedFactory Racing Titanium products, these are manufa...

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...

Upgrade your driving feel with a new SpeedFactory Billet Shift Knob V1, featuring an ergonomic design that matches your grip.  Features: Medium ...

Drop weight & look great with our all-new Titanium Transmission to Engine Bolt Kits! These M12 x 1.25 flange bolt kits feature our ultralight,...

We’re happy to introduce the 51R Battery Tray for Mazdaspeed 6! Once you begin shooting for higher power levels, the OEM intake size soon becomes ...

This Yonaka half shaft is an upgraded intermediate shaft (half shaft) designed for fitment with H22 motors in prelude/accord and swaps into the Acu...

Introducing the CorkSport Cat Back Exhaust for 2019+ Mazda 3. Add some much needed sound to the 4th GEN 3 and improve performance! The CS cat back ...

PCI Spherical Rear Toe Arms - EF Civic / CRX Features: CNC machined 6061 T6 Aluminum toe links CNC machined 304 stainless steel spherical bearing...

Our thermostat housing was designed for customers looking for OEM quality parts that function beyond the constraints of factory parameters. The scu...

If you’ve run a high-output AWD Honda you are familiar with the OEM locating dowels not holding up to the task - Say goodbye to bent/crushed OEM do...

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...

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...

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