I don't understand why u would go to that expense when we have a Mercedes and or a Dodge rear pumpkin, in 2.89,, 3.07,,327,,3.45 ,,3.69 and 3.90 all are a bolt in and reprogram your Tcu (no tcu needed with stick shift),, for 10 years , I ran my first V8 with 575 hp at the rear wheels over 600 runs down the 1/4 mile no breakage just drive 55 miles to the track get 3 to 5 runs in the 10's best was 10.55 @ 132 all for less than $3000 rear end including a wavetrac the best rear is the 3.45 ,,,in my srt6 I just ran 12.008 @ 114 with open rear and street tires jim