Vincent Black Shadow high temperatures at the track that year. Big-end failures put an early end to the attempt but several records were achieved including the 6 Hours and 1000 Kilometres by a Black Shadow. One of the spare engines for the run at Montlhéry wound up in Vietnam. It was sold to an owner in the United States, who installed it in a Rapide frame. The bike changed hands several times before being bought by Herb Harris and restored to Black Shadow specifications. Vincent Black Shadow Motorcycles produced by Vincent H·R·D at their factory in Stevenage, Hertfordshire, England were renowned for their
Black Shadow (wrestler) Demon and Black Shadow became known as "Los Hermanos Shadow" (Spanish for "the shadow brothers") despite not being related. Los Hermanos Shadow quickly became very popular and were at one point the main "Technico" (good guy) team. In the mid-1950s Los Hermanos Shadow began a decade long rivalry with the top Rudo (villain) team of El Santo and Gory Guerrero, known as "La Pareja Atómica". After selling out arenas all around Mexico for their tag team matches El Santo and Black Shadow started to work singles matches against each other. The rivalry between Black Shadow and El Santo culminated in