Home / Antifreeze & Coolant System Additives & Chemicals / 31109 Rislone Liquid Copper Block Seal Intake/Radiator Stop Leak, 510-g

31109 Rislone Liquid Copper Block Seal Intake/Radiator Stop Leak, 510-g

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  • Detail
    • Rislone Liquid Copper Block Seal Intake/Radiator Stop Leak seals larger leaks regular stop leaks won��t
    • Seals larger leaks, repairs heater core leaks, freeze plus, blown head gaskets as well as repairs blocks
    • One step formula permanently repairs leaks in gaskets, radiators, heater cores, intake manifolds, blocks, heads and freeze plugs. Use on cars, trucks, vans, SUV��s and RV��s
    • One Step Sealer contains an antifreeze compatible sodium silicate liquid glass formula, so no draining of the cooling system is required. It will not harm the cooling system when used properly
    • Use with all types of antifreeze including conventional green or blue (Silicate-based) and extended life red/orange or yellow (OAT / HOAT) coolant
    • Size: 510 g
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