You need a Hydro conversion kit....
there are a couple out there but i would go with HASPORT
Hasport Performance Online Store
NOw thats the Entire swap mount set, you may have to call them to get just the hydro conversion.
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RIP Kevin Gonzales AKA Slo_Si 9/06
RIP Robert Kolp aka 00ek 4/07
RIP Pablo Garcia aka FatHead 9/07
_Jake D