1/8th scale epoxy fiberglass cowling part# SG700C will fit the following hull:

RCBoatCompany Part#     Master Hull#    Year       U#         UnlimitedHydroplane Name
SG700C                         8025               1984     U-10       Miss Tosti Asti ll
                                      8410               1984    U-10        Miss Tosti Asti    

This cowling comes in four pieces.
Cowling measures  30” L  x  4-5/8” W  x 2” H (front) 2-3/4” H (back)   
Price    ......................................   $85.00 plus shipping