1/8th scale epoxy fiberglass cowling part# SG960C will fit the following hull:
RCBoatCompany Part #    Hull#    Year        U#    Unlimited Hydroplane Name                
SG960C                         8031   1980-81    U-31         Miss Circus Circus
                                                                             “Canard”
Cowling measures 30” L  x  5” W  x  4” H
Price   ……………………………..   $85.00 plus shipping