Home to the UK's biggest selection of core plugs for car, van, truck, tractor, boat engines

Core Plugs & Engine Sets in British Metals - Brass, Mild & Stainless Steel (Also known as Freeze, Frost, Expansion & Welch Plugs) We are the only supplier in the UK that stock an ever increasing (750+) list of engine plug sets in various metals. Can't find a set for your vehicle? 'click here' to go to our 'contact us' page, and let us know what sizes are required and/or the vehicle make, model, year and engine size. We will happily put a set together for you. ORDER BEFORE 16.30hrs (UK GMT) FOR SAME DAY DISPATCH Although we predominantly deal in mild steel, stainless steel and brass; other metals for example, copper and aluminium are available upon request.A lead-time of 5-7 working days are required to obtain material. Our MOQ (Minimum Order Quantity) for any product is 1 unit/piece. 100% family owned and 100% customer-focused, it's this that has made Core Plugs International one of the largest British-owned UK supplier of core plug products to the public and private sectors for over 10 years.