Silver Seal Heavy Duty Ironized Block seal. Seals Head Gaskets And Hose Connections. CAST IRON / ALUMINUM CRACKED BLOCK & CYLINDER HEAD REPAIR. (473ml) Made in the USA.
Due To Its Appearance, Silver Seal Block Seal Was Developed To Prevent Leakage Within The Water Jacket Of Cast Iron Or Aluminium Cylinder Heads And Cylinder Blocks. The Sealant Circulates Through The Engine Cooling System, Seeking Out Pinholes, Porosity And/Or Cracks Caused Through Age, Frosting Or Overheating. It Can Also Be Used Following The Repair Of Metal Stitching Or Welding To Ensure The Integrity Of The Repair.+++ check out our other great products +++.