M-22 special heavy duty transmission, J-50 power brakes, J-56 special heavy duty brakes, K-66 transistor ignition, F41 special heavy duty suspension, G81 heavy duty posi-trac rear end.
http://www.proteamcorvette.com/cars/NSN-WOW68.htm
Pulled out of a Florida garage in 2008, supposedly restored soon after... said to be a 1968 L88, with the M22
M-22 special heavy duty transmission, J-50 power brakes, J-56 special heavy duty brakes, K-66 transistor ignition, F41 special heavy duty suspension, G81 heavy duty posi-trac rear end.
http://www.proteamcorvette.com/cars/NSN-WOW68.htm