Unlike regular cork or neoprene seals that crack and deform over time, these aerospace/mechanical grade silicone seals are 100 per cent reusable and guaranteed not to leak. Yes, you read it correctly: they are absolutely guaranteed not to leak. Even the most stubborn of oil leaks cannot penetrate the boundaries of these seals, and one set is all you need to protect your engine for its entire life.

Who: Karmannkonnection
Web: www.karmannkonnection.com
How much: 30hp oil change set £5.53 plus VAT, 1960 onwards all models £6.26 plus VAT