When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
It will fit both 5 and 6 speed transmissions. Some early 5spd trans have a non tapered mainshaft which will prevent the installation of the large size 993/996 differential housing. I cannot remember if any 964 G50 trans has the non tapered mainshaft. I think that is mainly the 3.2 carrera G50 boxes, but I'm not 100% positive.