You need the Base install of V8Factor Unleashed for this add-on. There are no seasons in this Base install.
http://www.mediafire.com/download/v44l7pn9jigk4sf/V8FU_v1.1_installer.exe
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ORSM Are proud to release the next installment of the V8Factor Unleashed series. The 2012 Season now complete....
RELEASE; 2012V8FU Complete
http://www.mediafire.com/download/v44l7pn9jigk4sf/V8FU_v1.1_installer.exe
---------------------------------------------------------------------------------------------------------------------------------------
ORSM Are proud to release the next installment of the V8Factor Unleashed series. The 2012 Season now complete....
RELEASE; 2012V8FU Complete