A precision ground replacement valve made from original specification EN52 grade steel.
Lister part number 8-1/C121 or 010-03121.
Lister part number 8-1/C121 or 010-03121.
Fits Lister CS 4.5" bore engines, so CS 5-1, 6-1, 8-1, 10-2, 12-2, 16-2 and all single cylinder VA models. Will not fit 3-1 and 3.5-1 engines.
These valves are also the same as the Lister JP1, JP2, JP3 and JP4 exhaust valves, they will not fit the JP / JK / JS six cylinder engines which use P/N 614-00832