function openWindowCustom(url, name, param) {popupWin = window.open(url, name, param);popupWin.focus(); };Upgrade your 40hp to 75hp Johnson or Evinrude outboard motor with Solas Amita 3-Blade Aluminum Prop. Aluminum prop is manufactured using an exclusive squeeze-cast process. Strong blades enhance your outboards performance with excellent acceleration and maximum top speed. Small 3.375 gearcase, 13-tooth spline. Right rotation. Available: 11 pitch 12 diameter. 13 pitch 12.25 diameter. 15 pitch 12.5 diameter. 17 pitch 13 diameter. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Aluminum Props.