Two-in-one formula: Winterizes and protects cooling systems for convenience and efficiency
Protective coating: Fights corrosion and prevents freezing to extend engine life
Easy application: Simple process with included instructions for outboard and PWC engines
Leaves no residue: Ensures clean system performance after use
Summarized by Shop
The First 2-in-1 Marine Winterizing & Protective Solution In A Can!
Winterize-It Pro is a quick and easy way to winterize your outboard or PWC cooling system. It leaves behind a protective coating that fights corrosion and prevents freezing by forcing out any residual water trapped in your engines cooling system!