- Stock #339609 - good looking, good running, fun boat. low hours for the model year come get out on the water with this one quick 1999 Velocity 280 hi performance boat powered by a Mercruiser 502 HO 700 HP! l CHECK OUT THE CUSTOM PAINT AND GRAPHICS! Hot and cool. Sharp and sassy high performance! Very well maintained and prepped for the season. Per the Seller: 1999 VELOCITY 280 POWERED BY A SINGLE MERCRUISER 502 MAG MPI ENGINE WITH BLOWER FOR AMAZING 700 HP PERFORMANCE The 502 Magnum MPI is a big block 8.2L V8 engine with a full-throttle range between 4,600 and 5,000 RPMs The blo... read more