HAPCO - Heavy Duty Block Sealer - PERMANENT BLOCK REPAIR - EASY TO USE - 2 PACK

Description

Heavy Duty Block Sealer - 2 PACK
Mixes with all types of antifreeze
Will not plug heater core
Safe for plastic and aluminum units
Makes a permanent seal
Rust inhibitor
Hapco Heavy Duty Block Sealer is guaranteed to stop existing block leaks fast! Our formula does not contain metal flakes, is compatible with all types of antifreeze, will not plug the heater core and is safe for all cooling systems.  Specially formulated to permanently seal and protect against future leaks. Also safe to use for radiator and head gasket repairs.
Size - 16 oz. - 2 Pack
Part No. - 616P2
Made In USA - Money Back Guarantee - Proven Results Since 1960
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