1968 Chevy L88 Crovette
RM Auctions in Monterey, Calif., will sell the most winning Corvette ever for more than an estimated $1 million next month.

The 1968 Chevy L88 Corvette won checkered flags at multiple SCCA championships for owners Owens/Corning in the late '60s and early '70s.

Piloted by racer Tony DeLorenzo, son of GM executive John, and Jerry Thompson, this Corvette's 7-liter (427 cubic inch) big block V8 produces 685 horsepower and is mated to a Muncie M-22 "Rockcrusher" transmission. It's storied history includes taking the 1969 and 1972 SCCA National "A" Production Championships, 1968 and 1970 SCCA National "A" Production Runner-Up.

RM Auctions estimates this Corvette will sell for somewhere between $950,000 and $1.3 million.