Champion screened spark plug 24volt models
Champion RSN12Y
Land rover part no ERC9136
2.25 Petrol 8:1 compression engines
Also fits many other Military FV variants
MRF Code: 526265L
MRF Code: 552609
MRF Code: PRC1887
MRF Code: FHM1324/06
MRF Code: 535688