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Shop the range of Speedfactory Racing transmission products, such as their massively popular detent spring setups or their brand new AWD b-series billet bell housing.

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  • Speedfactory Racing D / K Series HD Detent Spring Kit

    Speedfactory

    Speedfactory HD Detent Spring Kit D/K-Series

    Elevate your driving experience to the next level with the revolutionary SpeedFactory HD Detent Spring Kit. This top-of-the-line coil spring upgrade is simple to install and cost-effective, providing unparalleled feel and shift action as you engage each...

    $28.01 (Inc. VAT)
    $23.35 (Ex. VAT)
  • Speedfactory Racing B/H/F Series HD Detent Spring Kit Speedfactory Racing B/H/F Series HD Detent Spring Kit Speedfactory Speedfactory Racing B/H/F Series HD Detent Spring Kit Speedfactory Speedfactory Racing B/H/F Series HD Detent Spring Kit Speedfactory Racing B/H/F Series HD Detent Spring Kit

    Speedfactory

    Speedfactory HD Detent Spring Kit B/H/F-Series

    If you're searching for a hassle-free way to enhance your driving experience, check out our SpeedFactory HD Detent Spring Kit. These coil springs have been rigorously tested and proven in our transmission builds for years, and now you can also take...

    $23.81 (Inc. VAT)
    $19.84 (Ex. VAT)
  • Speedfactory Shifter Springs Drag Spec KSeries Speedfactory Shifter Springs Drag Spec KSeries

    Speedfactory

    Speedfactory Shifter Springs Drag Spec K-Series

    At SpeedFactory Racing, we understand how frustrating it can be to experience mis-shifts in your K-Series transmission, such as the typical 2-3-2 and dreaded 1-2-1. But don't worry; we have the solution! Our K-Series Drag Spec Shifter Spring Kit is the...

    $43.99 (Inc. VAT)
    $36.66 (Ex. VAT)
  • Speedfactory Upgraded Shifter Spring DSeries Speedfactory Upgraded Shifter Spring DSeries

    Speedfactory

    Speedfactory Upgraded Shifter Spring D-Series

    If you are experiencing an imprecise shifter feel in your Honda D-series, don't worry. We have an excellent solution for you. Our SpeedFactory Racing Upgraded D-Series Shifter spring is the perfect upgrade for your vehicle. It is 600% stronger than the...

    $23.81 (Inc. VAT)
    $19.84 (Ex. VAT)
  • Speedfactory Titanium Transmission Case Bolt Kit D/B/K/H/F-Series Speedfactory Titanium Transmission Case Bolt Kit D/B/K/H/F-Series Speedfactory Titanium Transmission Case Bolt Kit D/B/K/H/F-Series Speedfactory Titanium Transmission Case Bolt Kit D/B/K/H/F-Series Speedfactory Titanium Transmission Case Bolt Kit D/B/K/H/F-Series

    Speedfactory

    Speedfactory Titanium Transmission Case Bolt Kit D/B/K/H/F-Series

    The perfect finishing touch to your engine and gearbox package would definitely be a pack of Speedfactory Racing Titanium Transmission Case bolt kits. The hollow-domed 6-point bolts have 12mm heads and come in packs with the correct amount for the engine...

    $117.69 - $218.58 (Inc. VAT)
    $98.07 - $182.14 (Ex. VAT)
  • SpeedFactory Racing AWD B-Series Billet Transfer Case SpeedFactory Racing AWD B-Series Billet Transfer Case SpeedFactory Racing AWD B-Series Billet Transfer Case SpeedFactory Racing AWD B-Series Billet Transfer Case SpeedFactory Racing AWD B-Series Billet Transfer Case

    Speedfactory

    Speedfactory AWD B-Series Billet Transfer Case

    Our team is thrilled to share the recent release of our highly anticipated SpeedFactory AWD B-Series Billet Transfer Case. This product has undergone an entire year of development, testing, and refinement to ensure that it meets the highest quality and...

    $1,587.58 (Inc. VAT)
    $1,322.98 (Ex. VAT)
  • 1 x Speedfactory M8x1.25 Titanium Transmission Case Bolt 1 x Speedfactory M8x1.25 Titanium Transmission Case Bolt

    Speedfactory

    1 x Speedfactory M8x1.25 Titanium Transmission Case Bolt

    THIS LISTING IS FOR A SINGLE BOLT ONLY. For people who care about the details - make your transmission stand out with our all-new SpeedFactory Racing Titanium Transmission Case Bolts! These M8 x 1.25 bolts feature our ultralight, hollow-domed...

    $19.60 - $25.21 (Inc. VAT)
    $16.33 - $21.01 (Ex. VAT)
  • SpeedFactory Titanium Transmission to Engine Single Bolt Burnt SpeedFactory Titanium Transmission to Engine Single Bolt Burnt SpeedFactory Titanium Transmission to Engine Single Bolt Burnt SpeedFactory Titanium Transmission to Engine Single Bolt Burnt SpeedFactory Titanium Transmission to Engine Single Bolt Burnt

    Speedfactory

    1 x Speedfactory Titanium Transmission to Engine Bolt Burnt

    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 ultralight, hollow-domed 6-point design and will replace the 17mm head transmission bolts that secure the...

    $28.01 (Inc. VAT)
    $23.35 (Ex. VAT)
  • SpeedFactory Racing B-Series AWD Offset Reverse Shaft SpeedFactory Racing B-Series AWD Offset Reverse Shaft SpeedFactory Racing B-Series AWD Offset Reverse Shaft

    Speedfactory

    Speedfactory AWD Offset Reverse Shaft B-Series

    Finally available to the public, this product was made to solve reverse gear location differences with different model year B-Series AWD transmission housings when building with a billet bellhousing. You can now use any year outer transmission housing...

    $130.30 (Inc. VAT)
    $108.58 (Ex. VAT)
  • SpeedFactory Racing awd wagovan rear diff kit for MFactory lsd SpeedFactory Racing awd wagovan rear diff kit for MFactory lsd SpeedFactory Racing awd wagovan rear diff kit for MFactory lsd SpeedFactory Racing awd wagovan rear diff kit for MFactory lsd

    Speedfactory

    Speedfactory AWD Wagovan Rear Differential Kit For MFactory LSD

    We are proud to introduce our pain-free installation kit for the MFactory D16 40mm LSD into the Wagovan RT4WD rear ends for those of you that appreciate attention to detail and want to do things the right way.  This is by far the easiest and most...

    $147.12 (Inc. VAT)
    $122.60 (Ex. VAT)
  • SpeedFactory Racing AWD B-Series Billet Bellhousing SpeedFactory Racing AWD B-Series Billet Bellhousing SpeedFactory Racing AWD B-Series Billet Bellhousing SpeedFactory Racing AWD B-Series Billet Bellhousing SpeedFactory Racing AWD B-Series Billet Bellhousing

    Speedfactory

    Speedfactory Billet Bellhousing AWD B-Series

    The SpeedFactory Racing AWD B-Series Billet Bellhousing was originally designed in response to the need for a top-level billet bellhousing that is precise, accurate, and pain-free to build without being unnecessarily bulky and heavy.   After a...

    $4,618.42 (Inc. VAT)
    $3,848.69 (Ex. VAT)
  • SpeedFactory Racing Honda AWD Billet Flange Adaptor Kit SpeedFactory Racing Honda AWD Billet Flange Adaptor Kit SpeedFactory Racing Honda AWD Billet Flange Adaptor Kit

    Speedfactory

    Speedfactory Billet Flange Adaptor Kit For Honda AWD

    Put the power through your driveshaft reliably by upgrading your U-joints to 1310's with the help of our Flange Adaptor Kit. Stock Wagovan driveshaft U-joints are tiny and weak, these flange adaptors allow you upgrade to 1310 U-joints to withstand the...

    $224.18 (Inc. VAT)
    $186.82 (Ex. VAT)
  • SpeedFactory honda awd wagovan driveshaft Kit SpeedFactory honda awd wagovan driveshaft Kit SpeedFactory honda awd wagovan driveshaft Kit SpeedFactory honda awd wagovan driveshaft Kit

    Speedfactory

    Speedfactory Honda AWD Wagovan Driveshaft Kit

    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 and time-consuming sourcing all the needed individual components, so we’ve put together a kit to make...

    $318.06 (Inc. VAT)
    $265.04 (Ex. VAT)
  • SpeedFactory honda awd wagovan driveshaft Kit with Adaptors SpeedFactory honda awd wagovan driveshaft Kit with Adaptors SpeedFactory honda awd wagovan driveshaft Kit with Adaptors SpeedFactory honda awd wagovan driveshaft Kit with Adaptors

    Speedfactory

    Speedfactory Honda AWD Wagovan Driveshaft Kit With Adaptors

    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 and time-consuming sourcing all the needed individual components, so we’ve put together a kit to make...

    $553.47 (Inc. VAT)
    $461.23 (Ex. VAT)
  • SpeedFactory Racing Billet FWD2AWD B-Series Gear Conversion Kit SpeedFactory Racing Billet FWD2AWD B-Series Gear Conversion Kit SpeedFactory Racing Billet FWD2AWD B-Series Gear Conversion Kit SpeedFactory Racing Billet FWD2AWD B-Series Gear Conversion Kit

    Speedfactory

    SpeedFactory Racing Billet FWD2AWD B-Series Gear Conversion Kit

    The long awaited complete new replacement 1/2 billet shift forks are now available. This means you no longer need to send your stock fork in for modification. The SpeedFactory Racing FWD2AWD B-Series Gear Conversion Kit has been created to...

    $1,056.04 (Inc. VAT)
    $880.03 (Ex. VAT)
  • Speedfactory Shift Change Holder B-Series New Unit Stock Spring Speedfactory Shift Change Holder B-Series New Unit Stock Spring Speedfactory Shift Change Holder B-Series New Unit Stock Spring Speedfactory Shift Change Holder B-Series New Unit Stock Spring

    Speedfactory

    Speedfactory Shift Change Holder B-Series New Unit Stock Spring

    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 moves the shift forks into position, engaging each gear as it is selected. Why do you need this? Because you...

    $976.64 (Inc. VAT)
    $813.87 (Ex. VAT)
  • Speedfactory Racing K Series Shift Selector

    Speedfactory

    Speedfactory Shift Selector K-Series

    The new SpeedFactory K-Series Shift Selector is the long awaited solution to the weak cast factory piece. K-Series racers worldwide have had to deal with this piece breaking for years, often costing them a race and transmission damage. SpeedFactory has...

    $410.54 (Inc. VAT)
    $342.11 (Ex. VAT)
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