CLASSIC PORSCHE SPECIALISTS

901 (904) Input / Main Shaft - Retro Sport

$1,444.20
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. 


Our 904 mainshafts are imported, and made of 18CrNiMo7-6, and case hardened to 58-62 HRC, case depth of 0.25-0.45mm @550Hv. Highly precise reproduction copy using an original Porsche 904 shaft as a sample. Currently found in gearboxes worldwide in street/hillclimb/rally/circuit applications.

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

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

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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.