K-Seal Ultimate Head Gasket Repair - 16 oz.

K-Seal® Ultimate Head Gasket Repair is an essential to any professional technician's tool kit. Freeze proof up to -38°F with 33% more sealing power. K-Seal® Ultimate is suitable for use with all water cooled engines. Seals cracked heads and cracked/porous blocks. Compatible with all brands of coolant with no need to drain or flush the cooling system.