901 (904) Input / Main Shaft - Retro Sport

Introducing our new Retro Sport 904 main shaft. A perfect reproduction of the original 904 input / main shaft, and fits Porsche 914/6, 911 ('64-'68), 911/912 ('69-'71), as well as race Porsches 904, 906 and 910. 

This main shaft requires the 904 2nd gear set available for purchase here.

All gears available online are in stock and ready to ship worldwide.

  • About Retro Sport Gears
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  • Find ratios for every track and every road trip when you shop the largest inventory of quality Albins® gears for classic race and street Porsche in the world.

    • Vintage Porsche Racing - Explore new ratios that have never been manufactured before Albins put them into production.
      Tailor your gearbox to any possible application - road racing, rally and V8 conversions.
    • Classic Street Porsche - Choose from a wide selection of rare original factory gear ratios, most of which are no longer factory manufactured and extremely hard to find in good condition. 
    Call 510-907-9700 or send us a message to request a consultation on your specific application. 

    Whatever your goals, we'll work with you to find the gear ratios and ring/pinion combinations that work best for you.