1988 Callaway Sledgehammer Corvette
Twin Turbo V8 / 898.0 bhp @ 6200 rpm / 772.2 ft lbs @ 6200 rpm
Top Speed 255.0 mph / 0 - 60 mph 3.9 seconds
Top speed set Oct 19, 1989 reaching 254.76 mph. The car was driven by
John Lingenfelter.
- Only 1 of these cars exists, although, at the time Callaway said they could reproduce it for 400,000 USD.

Callaway ZR1

1990 Callaway Twin Turbo Corvette
Twin Turbo V8 / 390.0 bhp @ 4250 rpm
Top Speed 191.0 mph / 0 - 60 mph 5.1 seconds / 0 - ¼ mile 13.4 seconds

1993 Callaway CR-1 Corvette
475.0 bhp @ 7000 rpm / 414.0 ft lbs @ 5250 rpm
Top Speed 193.0 mph  / 0 - 60 mph 5.0 seconds / 0 - 100 mph 11.0 seconds

1997 Callaway C7-R
Supercharged V8 / 659.0 bhp @ 6250 rpm / 616.0 ft lbs @ 5400 rpm
Top Speed 205.0 mph / 0 - 60 mph 4.0 seconds
Only 2 Le Mans version C7's (Callaway C7-R) were ever produced to race in the GT1 class of Le Mans 1997 season. They never did due to over competition from "THE BIG BOYS" pocket books.

1999 Callway C12 Corvette
465.0 bhp @ 5700 rpm / 473.0 ft lbs @ 4500 rpm
Top Speed 200.0 mph  / 0 - 60 mph 4.6 seconds