The Kurnas was powered by two Pratt & Whitney PW1120 turbofans developed for the IAI Lavi. The powerplant endowing the Kurnas with a 17% better combat thrust-to-weight ratio, 36% improved climb rate, and a 15% improved sustained turn rate than the F-4E.
IAI F-4-2000
Super Phantom
Kurnas 2000
(Heavy Hammer)
This aircraft was demonstrated at the Paris Air Show in 1987. It could exceed Mach 1 without afterburners. McDonnell Douglas scuttled Kurnas 2000 development because it equaled the F/A-18C/D in performance and endangered any future sales of the F/A-18.