4.56-4.57 built AP1 diff?
#4
I have a 4.56 that my friend is taking for his OEM don't want the shorter gears with the amount of boost I'll be making. Only 67,000 miles on the diff and gears were put in 10000 miles ago. He's getting rid of the car and can see if he wants to sell it. Will also come with a speed sensor so your dash displays the correct speed with the shorter gears. This will also prevent additional miles to being added to the car with the false speed being displayed.
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#9
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