K Series K24A

SpeedFactory Racing K Series Shift SelectorThe new SpeedFactory K-Series Shift Selector is the long-awaited solution to the weak cast factory pi...

At SpeedFactory Racing we understand the frustration of the common 2-3-2 and dreaded 1-2-1 K-Series transmission mis-shifts, and we have the solut...

Drop weight & look great with our Titanium Upper Shock & Strut Nut & Washer kit!As with all SpeedFactory Racing titanium products, thes...

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 ...

NOTE - Radiator Cap sold separately.Whether you have a custom radiator or a SpeedFactory Race/Tucked radiator, you need a proper way to fill your e...

The SpeedFactory Racing Rising Sun Oil Catch Can is specifically designed for forced induction and heavily modified naturally aspirated engines.  ...

The SpeedFactory SS-850 Side Inlet/Outlet Intercooler is built with a high quality 3" thick SpeedFactory Air-to-Air Intercooler Core, featuring ba...

Introducing a new, cost-effective yet still high performance alternative to our titanium stud kits. Our high quality stainless stud kits look great...

Introducing a new, cost-effective yet still high performance alternative to our Titanium Stud Kits.Our high quality stainless stud kits look great ...

CURRENT ESTIMATED MANIFOLD MANUFACTURING TIME IS 3-6 WEEKS.The SpeedFactory Racing Top Mount Turbo Manifold was designed to spool larger turbos ver...

SpeedFactory Racing Thermal Intake Manifold Gaskets are designed to be used as a direct OEM replacement for everything from street cars to full-on ...

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,...

This is a M10 x 1.25mm x 45mm Ti 6Al-4V (burnt finish} stud, nut, and washer. These SpeedFactory titanium stud kits are made of Ti 6Al-4V and incor...

The use of factory exhaust manifold bolts and studs, especially with an aftermarket header/turbo system, can result in stripped or broken bolts an...

These SpeedFactory titanium stud kits are made of Ti 6Al-4V and incorporate a 3mm hex key tip that allows them to be easily installed using an Alle...

Drop weight & look great with our Titanium Shift Arm Housing Bolt Kit for B-Series AWD! These M8x1.25 flange bolt kits feature our ultralight,...

For people who care about the details - make your transmission stand out with our all-new SpeedFactory Racing Titanium Transmission Case Bolt Kits...

These pin kits are designed to be used in drag race applications where the engine is operated at high RPM with limited idle/low rpm use, not in a s...

Fits Honda / Acura B,D,F,H,J, and K-Series Engines! Whether utilizing one of our Street Series Cooling System Fill Pots, installing VTEC-Eliminati...

For use in Honda VTEC engine blocks using aftermarket / forged pistons. Most aftermarket pistons do not clear the OEM oil squirters which can resu...

The SpeedFactory 800 HP-rated Vertical Flow Intercooler was designed specifically for Honda / Acura vehicles equipped with K-Series engines.  This...

Replacement K series Clutch slave cylinderReplace your leaking or worn-out Clutch Slave Cylinder with this quality unit.These come with a replaceme...

Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech ...

Our Supertech Block Guards are meticulously designed and tested in many engines. As a result, we offer a product that will provide support to high...

GDE-HK55-I - Honda K20/K24 Valve Guide Intake - Outter diameter : 11.07mm - Manganese Bronze GDE-HK55-E - Honda K20/K24 Valve Guide Exhaust - Outt...

Supertech Dual Valve Spring & Retainer Kit - K Series All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Stee...

High-quality replacement piston ring sets to replace both OEM and aftermarket piston rings. Supertech piston rings suit rebuilds of tired old moto...

Replace your stock keepers when you are upgrading your valve train with these Supertech machined and hardened keepers. KPR-5.5/7A-ST 5.5mm Valve L...

Supertech 5.5mm viton valve stem seals reduced outer diameter valve seals are perfect for those that are using dual valve springs or may otherwise...

Upgrade your worn OEM sleeve with this hardened, longer lasting unit from Synchrotech. Synchro sleeves, just like the synchros themselves are impe...

Synchrotech Bearing & Seal Kit - K Series Synchrotech is the world leader in transmission rebuild components.  Their parts can be found in bot...

Fitting: 2005-2006 Acura RSX Type S K20 6 speed (NSN4) Included: Synchrotech® 1-6 Brass Synchro Set , 1-6 springs, 4 shaft bearings, bearing clip, ...

Fitting: 2005-2006 Acura RSX Type S K20 6 speed (NSN4) Included: Synchrotech® 1-6 Pro Series Carbon Synchro Set , 1-6 springs, 4 shaft bearings, be...

Sold Individually - 2 Needed Quality replacement bearings - just do them while it's apart and save yourself future pain! Note: B16a Cable/Hydro Tra...

Upgrade your worn OEM hub with this hardened, longer-lasting unit from Synchrotech. Suitable for any application from street to strip to circuit. S...

Replacing worn synchros in your trans? Chances are the springs have lost some tension. Spend a little extra and chuck a new set of these Synchrote...

Synchrotech Master Rebuild Kit - 05+ K Series 6 Speed (incl all CL7/9) Synchrotech is the world leader in transmission rebuild components.  Their p...

Synchrotech is the world leader in transmission rebuild components.  Their parts can be found in both street and race cars worldwide.  From drag, t...

Synchrotech is the world leader in transmission rebuild components.  Their parts can be found in both street and race cars worldwide.  From drag, ...

This K-series underdrive pulley increases performance by reducing the engine's rotating mass and by adjusting the pulley size ratio this kit offer...

Manufactured in the UK from 2mm aluminium plate, this kit is perfect for those who regularly 'track' their car or just want peace of mind when on ...

This 1.5 litre capacity catch can is machined from solid billet aluminium. It features 4 x 3/4NPT threaded holes and is supplied with 2 x AN10 fit...

This 1.5 litre capacity catch can is machined from solid billet aluminium. It features 4 x 3/4NPT threaded holes and is supplied with 2 x AN8 fitti...

TEGIWA Carbon Airbox. Specifically designed for the Integra Type R 01-04 and manufactured from carbon fibre. This kit gives excellent performance ...

TEGIWA Carbon Airbox. Specifically designed for the Civic Type R 01-04 and manufactured from carbon fibre. This kit gives excellent performance ga...

Fabricated from high quality carbon fibre, with an excellent weave. This replaces the OEM plastic cover, it doesn't enhance your Hondas performance...