how dose one upgread there nv4500 to withstand more hp. i hv the bigger input and south bend clutch. didnt know if there were better barings gears ect..

 

Besides gettin ur fith gear nut fix I thinks that's it

 

Yep! NV4500s can hold quite a bit of power

 

After a bigger input you can upgrade to the full spline main shaft and upgraded 5th gear nut This usually takes care of the 5th gear problem although I have broke them. As far as bigger bearings there is no such thing

 

I seen on XDP's web site that they have ATS NV4500 built trannys, you could buy one of those or call up ATS and see what they did on that tranny or could do too yours.

 

I know this is off topic but it wont let me send a pm. Hulse09 do you still have your white faced optix fuel pressure gauge for sale?