Engine Block Stop Leak Prestone Products 16.5 oz

Prestone Triple Seal Protection Engine Block Stop Leak with Kevlar resin stops engine block leaks fast, seals them permanently, and won Fast Acting Effervescent Beads That Quickly Break Down Fast Acting Beads - Quickly Locate Leaks Kevlar® Resin That Binds To Metal And Gives Will Not Block Or Corrode Safe For All Cooling Systems Acrylic Hardener Makes The Seal