Transmission
The 915 Transmission Case
The 915 case can use some specific mods for durability, and the Aluminum one really needs some help with the pinion bearing so it can put up with the added stress of racing or “Fahren” …
Read more»915 Pressure Plate
Steve shows how you can spot trouble on the 915 Pressure Plate, and evaluate whether you can re-use, or have to huck it.
Read more»Transmission Parts & Upgrades
901-915-930
901
901-series transmissions were used in the 911 from 65 until 71. The last two years’ 901′s were known as 911 gearboxes since they employed a slightly different case that permitted the new 225mm “Pull-type” clutch. …
