- Stock #174472 - Completely rebuilt1984 Formula 302-SR1 !! This Formula 302-SR1 has been completely upgraded from the engines to the interior. Powered by twin 465hp Mercruiser 502 engines (brand new 1993, installed in 2008), that's +260hp upgrade! Rebuilt transmission also in 2008, Borg Warner velvet drives. Completely rebuild all soft parts, upgraded to hard parts. New harnesses, new throttle cables all the way to console. All wiring completely rerigged by a marine electrician (2008). New time pumps for drives, brand new SS brackets, new SS lines/hoses also! (See photos) Stereo repl... read more