This new old stock Jaguar V12 was built for a '90s XJ, forgotten in Oregon, and now it’s ready to cause glorious chaos in the wrong car.

Additionally, it also used the M20's single overhead cam (SOHC) design with 24 valves (2 valves per cylinder) layout ... gen Jaguar XJ12 was powered by the JAG V12 HE (High Efficiency) engine.

Although they aren't all around today, each of these engines is inextricably linked to the manufacturer it came from. For Jaguar, it's the V12. Born in 1971, the Jaguar V12 can trace its roots ...

There was another V12 car in the Jaguar stable that's long been overshadowed by the E-Type and its XJS successor. The XJC V12 Coupe has remained something of a niche item despite its good pedigree ...