- Stock #314939 - This is a nostalgic go-fast boat in wonderful condition inside and out. Up for sale is a 31-foot Seahawk Offshore, powered by twin Paul Pfaff 575 HP naturally aspirated 510-inch BBC. with 125 hrs. on the starboard engine and 28 hrs. on the port engine. All work was done by Gordie at Pfaff Racing. (Engines run very strong) Propulsion by AN #6 Arneson surface Drives with stainless steel propellers. The boat has Velvet drive Trany's with full Latham hydraulic steering, K-Planes, Hydraulic Marine Machine trim and tab controls on the Drives and Trims. The dash is fitted with... read more