K&W FiberLock Head Gasket & Block Repair – 32 fl oz – Cooling System Sealant for Cars and Trucks – Antifreeze & Coolant Additive

Fix cooling system leaks fast with K&W FiberLock. This 32 fl oz treatment works with all types of antifreeze and helps seal leaks using strong fibers, nanotechnology, and a Cool-X Conditioner. It forms a long-lasting seal to restore engine performance. Great for cars, trucks, and other vehicles.

Effective Leak Repair: Seals leaks in the head gasket and engine block using advanced fibers, nanotechnology, and Cool-X Conditioner. Wide Vehicle Compatibility: Works with all types of antifreeze and is suitable for multiple vehicle types, including cars, trucks, SUVs, and vans. Restores Performance: Helps prevent overheating by restoring cooling system efficiency and engine performance. Trusted Automotive Brand: Made by K&W, a leader in professional-grade maintenance chemicals for automotive repair. Quick and Easy Use: Delivers a fast, permanent fix for cooling system leaks without costly engine repairs.