A British made replacement fuel / oil pump spring suitable for Lister J to R type engines.
These fit the fuel and the oil side of the most common fuel and oil pumps used on the vintage Lister J to R type engines.
For detailed information on the different types of pumps used on the vinatge Lister J to R range of engines and the compatability of these parts with your pump type please see our Lister J to R fuel and oil pump information page.