Sho't Meteor (late 1960s)- Israeli designation of Centurion Mk 5 tank (105 mm L7 gun), with the original Rolls-Royce Meteor petrol engine, in the Six-Day War in 1967. In the Yom Kippur war (1973), Sho't Kal was vulnerable to Soviet-made weapons such as RPG-2, RPG-7 & AT-3 Sagger (used by Egyptians), culminating in the use of Merkava main battle tanks. All Sho't Meteor are upgraded to Sho't Kal by 1974)
Sho't Kal Alef/Bet/Gimel/Dalet - a modernised Centurion tank with a new Continental AVDS-1790-2A diesel engine and the Allison CD850-6 transmission ("Kal" refers to the abbreviation of the engine manufacturer Continental).
Sho't Kal Alef (Kal A) (~1973-1974) - New engine and transmission, new pannier, modified cupola.
Sho't Kal Bet (Kal B) (1976): Add on armor and other improvements.
Sho't Kal Gimel (Kal C) (1982): Blazer ERA, new fire control system, new sights, smoke dischargers covers.