Holy Grail LS6: 1970 Chevrolet Chevelle SS 454 (opens in new tab)

Chevrolet introduced the 454 cubic inch big block V8 in 1970. The LS6 version was the most powerful at 450 factory horsepower and 500 lb.-ft of torque. These are considered the Holy Grail of Chevy muscle cars and command big bucks. This 1970 Chevelle SS 454 has had a professional restoration and is graded at...