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Holts Wondarweld Radiator Additive 500ml

Holts Wondarweld permanently seals cracked cylinder blocks and internal and external leaks in the water jacket, helping prevent the need for engine re...

From Car Smart

£ 22.99

HOLTS Wondarweld Crack Repair 250ml

HOLTS Wondarweld is a professional cooling system repair product designed for heavy-duty crack repair. It permanently fixes cracks in engine blocks, c...

From Car Smart

£ 16.00

Holts Speedflush Cooling System Cleaner 250ml

Holts Speedflush is a cooling system cleaner that clears water channels and cleans clogged radiators to help prevent overheating. Safe for use with me...

From Car Smart

£ 7.60

HOLTS Radweld Radiator Treatment 250ml

HOLTS Radweld is a radiator leak sealant containing rust inhibitors to protect your cooling system. It permanently seals radiator and hose leaks, work...

From Car Smart

£ 6.49