10 bolt in a 97 K1500 NEED INFO ASAP

[Rob 85K5]

Is the 10 bolt in this thing 31 spline and are the shafts the same length as 88 & up.

Need info Immediately!!!!!

Please help!!!!

 

[K5MONSTERCHEV]

I belive there the same length, but 30 spline ('97). They were 28 spline unitl 89 or so, then they went to 30 spline.

 

[divorced]

What parts are you needing to swap? The 88 to 98 rearends are different for the 2x4 and 4x4 trucks, the 4x4 are a few inches wider.