Inlet valve guides to suit all Lister CS, VA, JP, JK and JS engine types. Inlet valve guide equivalent to Part No. 8-1/C39 or 010-03039. Two options for you:- 1, Old type press fit, Indian made, compatible with genuine engines and Indian engines. 2, Genuine Lister old type press fit If your not sure which one you need please ask first. Please note that the VA (air cooled) engine uses an inlet guide for the exhaust valve and as such has two guides the same, please purchase two inlet guides if you require a set for a VA engine.