Hello,

I'm Trying To Figure Out What Type Of Rearend Diff I Have. I Have A Four Dour 1972 Cutlass W/ Rearend Axle Code Sa B 299 And A 1976 Cutlass Supreme With Axle Code Ah 0 241. I Also Can't Tell If They're 8.2" Or 8.5". Any Help Would Be Greatly Appreciated. Thanks.