Holts Wondarweld cylinder block sealant and repair agent

Cylinder block sealant. Repairs cracks in cylinder blocks and heads without disassembly.

Wondarweld is a particularly powerful product for repairing cracks in cylinder blocks or heads. One 250ml bottle of Wondarweld is sufficient for an 8 litre cooling system.

Features;

• Works on iron, cast iron, steel and aluminium
• Do not leave in cooling system after repair and renew cooling water