Brand New Mac Performance 8.8 356 T6 Aluminum rear end cover helps prevent rear end distortion under load and acceleration by supporting bearing caps. It has an increased fluid capacity, which allows for lowered fluid temperature. Comes with new fill and drain plugs, gasket, grade 8 bolts and installation instructions.Item is for the 86-04 Mustangs with an 8.8 rear. Will also fit most 8.8 rears, does not fit the 05-07 Model Mustangs or IRS 99-up Cobras. I have 5 units at $105 each plus shipping. SRP $135.00. Any questions email me at kms6970@aol.com