B Series

We are proud to offer the SpeedFactory Racing Billet B-Series VTEC Valve Cover! Our cover combines high performance -12AN ventilation with precise ...

For those that wanted a premium billet option, we present the SpeedFactory Racing Billet B/D Series Thermostat Housing!This housing directly replac...

*Allow 12 weeks for production before shipping*The SpeedFactory B-Series Forward Facing Outlaw Turbo Manifold has set and broke several world recor...

Don't let shift fork failure hold you back. Upgrade to SpeedFactory Racing's Billet Shift Forks to improve your racing performance and maintain a c...

The SpeedFactory HD Detent Spring Kit fits all HYDRAULIC B-Series (B16, B18, B20), cable (YS1 only), all K-Series, all D Series, F20B, F22A/B, H22...

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,...

*Allow 12 weeks for production before shipping*The SpeedFactory Mini-Ram is a proven, cost-effective Honda / Acura B and D-Series turbo manifold th...

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...

*Allow 12 weeks for production before shipping* The SpeedFactory Racing A/C Compatible RamHorn produces great spool and offers impressive top-end p...

CURRENT ESTIMATED MANIFOLD MANUFACTURING TIME IS 3-6 WEEKS IN THE USA The SpeedFactory Racing Ram Horn Turbo Manifold has an equal length design an...

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

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

SpeedFactory Racing -16an Thermostat Housing for B Series Engines This is designed to replace your factory thermostat housing and allow you use -1...

Drop weight & look great with our all-new Titanium Transmission to Engine Bolt Kits! These M12 x 1.25 x 65mm flange bolt kits feature our ultr...

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...

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...

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-HB55-I -- Supertech Valve Guides, Valve Guide Exhaust Honda B/H series 5.5mm stem Manganese Bronze. GDE-HB55-E -- Supertech Valve Guides, Valv...

Supertech Dual Valve Spring & Retainer Kit - B 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 motor...

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...

Includes: 1st-2nd-3rd-4th-5th-Reverse Hardened Sleeves, Springs, and Pro Series Carbon Synchros (brass reverse)  Fitting: 1992-2001 Integra GSR, B1...

Synchrotech 3rd 4th & 5th Carbon Synchro Set for:1994-2001 Acura Integra GSR - B18C1 Transmissions1997-2001 Acura Integra Type R - B18C5 Transm...

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

Fitting: YS1 (B16/B17) Included: 1-5 Premium Brass Synchros, 1-5 synchro springs, reverse synchro and spring,1-5 slider sleeves, 5 shaft bearings, ...

Fitting: B18B Y80 S80 (LS model) Included: 1-5 Premium Brass Synchros, 1-5 synchro springs, 1-5 slider sleeves, 5 shaft bearings, bearing clip, 2 a...

Fitting: B18B Y80 S80 (LS model) Included: 1-5 standard brass synchros, 1-5 synchro springs, reverse synchro and spring, 5 shaft bearings, bearing ...

Synchrotech® Premium Brass Synchro (B/H 2nd 3 piece set) Fitting: 92-01 GSR ITR B16 (Y80 S80 S4C S21 Y21 YS1 B16 B17 B18C) H22 H23 F23 (M2Y4 M2A4 M...

Includes: 1st-2nd Hardened Sleeve, Springs, and Brass Synchros Fitting: 1989-1991 (Y1 S1 A1 J1 Y2 )

Includes: 1st-2nd Hardened Sleeve, Springs, and Brass Synchros Fitting 1992-2001 Integra GSR, B17A, JDM YS1 (Integra XSI/RSI), Integra T...

Includes: 1st-2nd-3rd-4th-5th-Reverse Hardened Sleeves, Springs, and Brass Synchros Fitting: 1992-2001 Integra GSR, B17A, JDM YS1 (Integ...

Includes: 3rd-4th Hardened Sleeve, Springs, and Brass Synchros  Fitting: 1989-1991 (Y1 S1)

Includes: 3rd-4th Hardened Sleeve, Springs, and Brass Synchros  Fitting: 1989-1991 (Y2 A1 J1)

Includes: 3rd-4th Hardened Sleeve, Springs, and Brass Synchros Fitting:B Series Integra GSR, B17A, JDM YS1 (Integra XSI/RSI) Integra Typ...

Includes: 3rd-4th Hardened Sleeve, Springs, and Brass Synchros Fitting: 1992-2001 Integra LS, RS, and GS, S80 (B18B), Y80 (B18B), YS1 (B...

Includes: 5th-Reverse Hardened Sleeve, Springs, and Brass Synchros Fitting: 92-01 GSR/ITR/B16/LS

Fitting: YS1 (B16/B17) Included: 1-5 Pro-Series Carbon Lined Synchros, 1-5 synchro springs, reverse synchro and spring, 1-5 slider sleeves, 5 shaft...

Fitting: B18B Y80 S80 (LS model) Included: 1-5 Pro-Series Carbon Lined Synchros, 1-5 synchro springs, brass reverse synchro and spring, 1-5 slider ...

Fitting: B18B Y80 S80 (LS model) Included: 1-5 Pro-Series Carbon Lined Synchros 1-5 synchro springs Brass reverse synchro and spring 5 shaft be...

Includes: 1st-2nd Hardened Sleeve, Springs, and Pro Series Carbon Synchros Fitting: 1989-1991 (Y1 S1 A1 J1 Y2 )

Includes: 1st-2nd Hardened Sleeve, Springs, and Pro Series Carbon Synchros Fitting: 1992-2001 Integra GSR, B17A, JDM YS1 (Integra XSI/RS...

Includes: 1st-2nd-3rd-4th-5th-Reverse Hardened Sleeves, Springs, and Pro Series Carbon Synchros (brass reverse) Fitting: 92-01 Integra B...

Includes: 3rd-4th Hardened Sleeve, Springs, and Pro Series Carbon SynchrosFitting: 1989-1991 (Y1 S1)

Includes: 3rd-4th Hardened Sleeve, Springs, and Pro Series Carbon Synchros  Fitting: 1989-1991 (Y2 A1 J1)

Includes: 3rd-4th Hardened Sleeve, Springs, and Pro Series Carbon Synchros Fitting:B Series Integra GSR, B17A, JDM YS1 (Integra XSI/RSI)...