Jaguar Engine Color Codes Model - Soloons Cylinder Head Color Engine No.Prefix Mark V11 Silver A-B-D Mark VIIM Silver D-N Mark Vlll Duck Egg Blue N-NA Mark IX Metallic Blue NC-NE Mark X 3.8 litre Gold Z-ZA Mark X 4.2 litre Gold 7D 420G Silver 7D 420/Sovereign Silver 7F Mark 1 2.41itre Silver BC Mark 1 3.4 litre Duck Egg Blue KE-KF Mark 2 2.4 litre Duck Egg Blue BG Mark 2 3.41itre Duck Egg Blue KG-@ Mark 2 3.8 litre Metallic Blue LA-LB-LC "S" Type 3.4 litre Duck Egg Blue 7B "S" Type 3.8 litre Metallic Blue B 240 Silver 7J 1001 on 340 Silver 7J 50001 on XJ6 2.8 litre S1 Silver 7G XJ6 4.2 litre S1 Silver 7L XJ12 S1 Silver 7p XJ6 3.4 litre S2 Silver 8A XJ6 4.2 litre S2 Silver 8L XJ12 S2 Silver 7p XJ6 3.4 litre S3 Silver 8L XJ6 4.2 litre S3 Silver 8L XJ6 4.2 litre S3 Silver @L Sports Cars XK120 Silver W-F XK140 Silver G XK140 SE Red G (S suffix) "C" Type Silver E (There is no C embossed on the cylinder head) "D"Type (production) Silver E (C embossed on the cylinder head) XK150 3.4 litre Duck Egg Blue V XK150 3.8 litre Metallic Blue VA XK150 3.4 litre S Gold VS XK150 3.8 litre S Gold VAS "E" Type 3.8 litre Gold R-RA (first few cars were ftted with a head painted in bahama yellow) "E" Type 4.2 litre S1 Gold 7E "E" Type 4.2 litre S1.5 Silver 7E "E" Type 4.2 litre S2 Silver 7R "E" Type Series 3 Silver 7S XJS Silver 8S XJS HE Silver 8S XJS 3.6 litre 9D