yes the gear it self is as good or better then a 12 the tubes on ether the 12 or the 10 can twist but with all the stuff glenn said it could hold up i have seen it done but i just went 9inch myself the N case is nice you can get way with a stock case and small pin bearing suport if you not going nuts as long as it is set up right i never have one blow the case up but when you start making big power it will wear the gear out fast .the stock N case is nice there is better . i never used a crush sleeve on all the fords i did i allways used a shim the cases that i like the best in iron is the Hot rod wheel case HRW better then others out there that i have set up