Mercury Racing has announced the Powerboat P1 SuperStock outboard racing series will repower for the 2019 season with the all-new 4.6L V8 four-stroke 300R outboard. The new 300R will replace Racing’s 300XS as the exclusive power for the series for both domestic and international venues. Designed, developed and manufactured in-house, the naturally aspirated four-stroke 300R shares Mercury Racing’s Quad Cam ...
Read More »